15 January 1992
Supreme Court
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SAHARANPUR ELECTRIC SUPPLY CO. LTD. ETC. ETC. Vs COMMISSIONER OF INCOME-TAX ETC.ETC.

Bench: RANGNATHAN,S.
Case number: Appeal Civil 1861 of 1977


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PETITIONER: SAHARANPUR ELECTRIC SUPPLY CO. LTD. ETC. ETC.

       Vs.

RESPONDENT: COMMISSIONER OF INCOME-TAX ETC.ETC.

DATE OF JUDGMENT15/01/1992

BENCH: RANGNATHAN, S. BENCH: RANGNATHAN, S. OJHA, N.D. (J)

CITATION:  1992 SCR  (1) 117        1992 SCC  (2) 736  JT 1992 (1)   287        1992 SCALE  (1)16

ACT:      Income  Tax  Act,  1961 :  Section  43-Depreciation  on service  lines for Assessment Year  1962-63-Computation  of- Written down value-Determination of.      Interpreation of Statutes-Retrospective  interpretation of a statute-When arises.

HEADNOTE:      Under the Indian Income-tax Act, 1922, while  computing the  income  from business, an assessee was entitled  to  an allowance of depreciation at a percentage of the actual cost to  the assessee or the written down value of  the  relevant asset  owned by him, and used for the purposes of  business. This  Act  was replaced by the Income-tax Act,  1961.  Under both  the  Acts,  ‘written  down  value’  was  defined  with reference to ‘actual cost’. Initially between 1922 and 1952, the  expression ‘actual cost’ was defined to mean  just  the actual cost of the asset to the assessee. However,consequent on  the  decision  of  some  of  the  High  Courts  that  in ascertaining the actual cost of an asset to the assessee, it was immaterial that someone else had recouped the  assessee, wholly,  or  in part, towards such cost, the  1922  Act  was amended by the Income-tax Amendment Act of 1953, with effect from  1.4.1952,  nullifying  the  effect  of  the  aforesaid decision,  and  permitting  only a  limited  exclusion.  The Income-tax Act, 1961, however, directed the exclusion in the computation of the actual cost, of all amounts reimbursed to the assessee by any person whatsoever.      The  appellants in the appeals before this  Court  were all  electric supply undertakings in various parts of the country.  They had installed service connections during  the relevant  previous  year to the assessment year  1962-63.  A part  of  the expenditure incurred in  connection  with  the installation  of these lines was recovered by the  companies from  consumers  of  electricity.  They  claimed  that   the depreciation  to be allowed for the assessment year  1962-63 and  thereafter on the service connections installed in  the previous  years should be based only on the actual cost  and written  down  value determined earlier, and  there  was  no justification  in disturbing the same. However, the  Revenue was of the view that                                                    118

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    though the assets had been acquired in earlier previous years,  the statutory mandate of Section 43(b) was that  the actual cost should be determined afresh for each  assessment year  and this, for assessment year 1962-63  onwards,  could only  be in accordance with the definition contained in  the 1961 Act. Accordingly, it ignored the written down value  of the  assets as per the earlier record, computed  the  actual cost  of  the  service  lines  by  excluding  therefrom  the contributions  of consumers, but gave credit thereafter  for all depreciation allowed in respect thereof (on the basis of the  higher  actual  cost as then  determined)  in  all  the earlier years.      On  appeal by the assesses, the concerned  High  Courts upheld the view of the Revenue and held that the actual cost of  all assets for purposes of assessment year 1962-63  and onwards, whatever might have been the date of acquisition of the  assets, had to be computed in accordance with  the  new formula laid down by the Income-tax Act, 1961.      In  the  appeals before this Court, on  behalf  of  the assessee companies it was contended that the  interpretation of the Revenue approved by various High Court, would  result in absurdities and anomalies, that the figure of the  actual cost  ascertained  in  respect of any asset in  any  of  the earlier previous years could not be altered in a  subsequent year,  that  both  the 1922 Act as well   as  the  1961  Act envisaged  a continuance of the figure of actual  cost  once arrived at in respect of any plant or machinery,  throughout the  life-time  of  such plant or machinery,  that  for  the assessment  year 1962-63, the question of  determination  of actual  cost could arise only in respect of assets  acquired during  the  relevant  previous year  under  clause  (a)  of s.43(5), and so far as the assets which had been acquired in earlier previous year were concerned, depreciation had to be calculated on the basis of the written down value, and since the  written  down  value in respect  of  these  assets  had already  been ascertained for the assessment  year  1961-62, all  that  had to be done further, to find out  the  written down  value for the assessment year 1962-63, was  to  deduct therefrom  the depreciation allowed for the assessment  year 1961-62.  It  was further contended that though  the  actual cost as determined for the earlier years was not  sacrosanct or  untouchable and there may be circumstances in  which  it may  have to be modified in the light of subsequent  events, and  changes in actual cost could be taken into account  for purposes  of the definition in s.43 (1) read with sub.  sec. (6),  in  certain situations, the actual cost could  not  be altered merely because a subsequent legislation provided for a  different formula for ascertainment of actual  cost,  and that formula could not be retrospect-                                                        119 tively  made  applicable to assets which had  been  acquired much  earlier and the actual cost of which had already  been determined  in  accordance with the earlier  prevalent  law, that the legislation could not be given retrospective effect so  as  to affect existing rights,  unless  the  legislation stated so expressly or by necessary implication, that  there was  an indication in the language of Section 43(6)   itself to show that it was available to be invoked only in  respect of assets which had been acquired in earlier years, and that if  the  intention had been that the actual cost  of  assets which had been acquired earlier to the previous year  should also  be covered, the legislature would have used the  words "as had been met" that the Revenue’s interpretation may lead to  the  computation of a negative written  down  value  and consequent difficulties in applying various other  statutory

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provisions, and that it was also incompatible with the terms of Explanations 2, 4 and 6 to Section 43(6), and would  also lead  to  difficulties  in  the  calculation  of  assessable profits  under Section 41(2) or the allowance under  Section 32(i)(iii).      Dismissing the appeals, this Court,      HELD  :  1.1 Though, in substance, depreciation  on  an asset  for any assessment year is calculated on its  written down value which is normally carried forward from an earlier assessment year, the phraseology of the Income Tax Act, 1961 does  not bear out that the actual cost of the asset has  to be  determined only once, viz., in the previous year of  its acquisition.   S.43(6)   of   the   Income-tax   Act,   1961 specifically deals with two categories of assets: (i)  those acquired  during the relevant previous year and  (ii)  those acquired  earlier  to that. Even in respect  of  the  latter class  of  assets, the Act envisages a  computation  of  the actual cost of the asset and the deduction therefrom of  all depreciation  allowed  in earlier years in respect  of  that asset. Thus, the first step, statutorily prescribed, for the determination of the written down value of any asset for any year,  is for the Assessing Officer to determine its  actual cost.  This is a mandatory step which the Officer cannot  be prevented from taking merely because the actual cost of  the asset  has  already been determined in one or  more  earlier years,  though  it  may be true that  in  ninety  nine  (and perhaps even more) percent of the cases, the result (barring mistakes  and  some  special situations) will  just  be  the equivalent   of  the  written  down  value  taken  for   the immediately preceding assessment year less the  depreciation allowed for that year. [129B-E]      1.2 In the light of the clear language of the  statute, it  is not possible to accept that in the instant case,  the Income Tax Officer had no justification to compute first the actual cost of an asset which had been                                                        120  acquired  before the previous year. Besides,  whatever  its validity over the period of continuous operation of the same Act  (of  1922 or 1961) it can have no application  for  the assessment  year 1962-63. There is no provision in the  1961 Act which permits or compels the adoption or continuance  of the figure of Actual cost and written down value  determined under  the provisions of the earlier statute which has  been repealed  by the 1961 Act. Therefore, it cannot be  accepted that the figure of actual cost ascertained in respect of any asset  in  any of the earlier previous years  could  not  be altered in a subsequent year. [p129F-G, 128F-G]      Maharana  Mills v. I.T.O., [1959] 36 I.T.R. 350;  Habib Hussein v. C.I.T., [1963] 48 I.T.R. 859 (Bom.), relied on.      Karnani  Industrial  Bank v. C.I.T., [1954]  25  I.T.R. 550, referred to.      2.1  The definition of the expression "actual cost"  in S.43(1) envisages the computation of the actual cost of each asset,  for  every assessment year, not only in  respect  of assets acquired during the previous year but also in respect of assets  acquired during the previous year. This naturally has  to  be  done with reference to  the  factual  or  legal position that may prevail during the relevant previous  year and  can be  taken into account for the relevant  assessment year. The section does not  say that the computation of  the actual  cost of the asset has to be based only on the  facts or law as they stood at the time of acquisition of the asset and  as  could  have  been  taken   into  account  for   the assessment   year   relevant  to  the   previous   year   of acquisition.  Once it is conceded that the figure of  actual

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cost can require modifications it is not possible to confine such  modifications  to  only  three  situations  viz.,  (a) subsequent   factual   occurrences,  which  called   for   a modification of the figure of actual cost as at the time  of acquisition    determined   earlier;   (b)   discovery    of arithmetical errors in the earlier computation of the actual cost   or  written  down  value  of  any  asset;   and   (c) redetermination of the original actual cost necessitated  by a  specifically retrospective statutory provision.  [131B-D, 130B-C]      2.3  Where  subsequent information - factual  or  legal reveals  that  the  actual cost  determined  originally  was wrong,  there  can be no doubt that the original  figure  of actual cost has to be altered, if need be, and, if possible, by reopening the earlier assessments and, if that be not  be possible, at least for the future. [131E]      Maharana  Mills  v.  I.T.O.,  [1959]  36  I.T.R.   350, referred to.      2.4  There  are clearly situation in which  the  actual cost does get                                                        121 altered  prospectively  and not  retrospectively.  One  such instance  is  where  the  cost  of  an  asset  increases  or decreases  on account of a fluctuation in the value  of  the currency.  Another situation would be where,  subsequent  to the   acquisition   of  the   asset,   substantial   capital expenditure has been incurred thereon (not amounting to  the addition  of  a separate asset on  which  depreciation  etc. could be independently allowed). Such expenditure is  added, under  the  rules,  in  practice  to  the  actual  cost  and allowance  given thereon subsequently. Therefore, it  cannot be  accepted that the actual cost cannot be determined  year after  year on the factual or legal position applicable  for the  relevant  previous year and that the actual  cost  once determined cannot be altered except in the aforesaid  three situations,  where  the original figure  itself  requires  a modification . [133A, C-E]      Habib  Hussain  v. C.I.T. [1963] 48 I.T.R.  859  (Bom.) referred to.      3.1  The  rule  as to the  prospective  application  of statutes  is wellsettled. A retrospective operation is  not to  be given to a statute as to impair an existing right  or obligation otherwise than as  regards a matter of procedure, unless that effect cannot be avoided without doing  violence to  the  language  of the enactment.  If  the  enactment  is expressed  in  language which is fairly  capable  of  either interpretation,  it  ought to be  construed  as  prospective only. [133G, 134B-C]      Craies  on Statute Law (7th Edition) page 389;  Maxwell on  Interpretation  of  Statutes  (12th  Ed.)  pp.  215-219; Principles  of  Interpretation  of Statutes  by  G.P.  Singh (Fourth Ed.) p. 81, referred to.      3.2  The  instant  case  is  not  at  all  a  case   of retrospective  operation of the statute. It is not the  case of  the revenue that the  actual cost as determined  in  the assessment  year  1962-63 should be applied  to  revise  the computations for earlier years. All that the department says is  that, though in respect of these particular  assets  the assess   might  have  obtained  depreciation   for   earlier assessment years on the basis of a higher figure, that  will no  longer  be available in future and that  the  figure  of actual cost should be taken not as was originally calculated but only at a lower figure for the assessment years  1962-63 and  onwards. It is just the case of a provision, a part  of the  requisites for the operation of which is drawn  from  a

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time antecedent to its passing.[134G, 135A-B]      3.3. The interpretation of the Revenue does not operate against   the   well-known  principle   that   retrospective operation-assuming  that the provision has  a  retrospective effect-should not be presumed where existing or part  rights are interfered with. [137A]                                                        122      4.1 There is no doubt or ambiguity about the provision. It  is  clear and explicit, that the actual cost has  to  be determined, in each assessment year, even of assets acquired before the commencement of the previous year relevant to the assessment year. Not only is this intention plain and clear, it  does  not  create  any injustice  or  hardship;  on  the contrary, it is only reasonable and just. The object of  the provision  dealing  with  the  grant  of  depreciation   is, generally speaking, to enable an assessee to get the capital expenditure  incurred by him in acquring the  asset  written off to his profits over the years though it is true that, in certain  situations, the statute specifically  relaxes  this rigidity.   In   earlier  years,  he  had   been   obtaining depreciation on a particular footing. But the language  used lent  itself  to  an  interpretation that  he  could  get  a deduction  even in respect of expenditure he did not  incur. There   is   no  doubt   about  the  correctness   of   this interpretation. [137B-C]      4.2.  Where  a  person purchases an asset,  it  may  be correct  to say that the cost of the asset does  not  change because a part of the cost is met by some one else. But  the legislature  had  to decide whether an  assessee  should  be allowed to claim an allowance of depreciation in respect  of the  asset on the artificial basis of the cost of the  asset rather than what he has actually spent to acquire that asset and  whether  the  wording  of  the  original  provision  as interpreted by courts, had not conferred an undue  advantage or  benefit on the assessee. This was not considered by  the legislature  to be equitable and, therefore, it was  altered by  legislation. It accords with reason that  the  provision should  be  interpreted  to say that,  at  least  after  the amendment,  the assessee should not be allowed  depreciation on  the basis of the earlier figure of actual cost.  It  is, therefore, incorrect to describe this provision as  creating any  undue  hardship  or injustice or  inconvenience  to  an assessee. [137D-F]      Govind  Das v. I.T.O. [1976] 103 I.T.R. 123  at  p.132, distinguished.      5.1  When  an assessee acquires an asset, he  does  not acquire a right to obtain depreciation thereon equal to  the actual  cost of the asset a s originally determined for  tax purposes.  The  effect of clause (c) of proviso  to  Section 10(2) (vi) of the 1922 Act and Section 34(3) of the 1961 Act is  that,  while  allowing depreciation in  respect  of  any asset,  the  officer  should  be careful  to  see  that  the aggregate  of  the depreciation allowed to the  assessee  in respect of that asset does not exceed the actual cost of the asset. In other words, as and when the provision is  applied for  each and every assessment year and the depreciation  on any  asset  is  calculated, it should be  ensured  that  the depreciation allowed does not exceed the actual cost of  the asset. The ‘actual cost’ referred to is not the actual  cost as  originally  determined at the time of  the  acquisition. [136B-D]                                                        123      5.2 Thus, in the instant cases, while examining whether a  particular asset is entitled to any depreciation for  the assessment  year 1962-63, the officer will find that it  has

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already secured depreciation much more than the actual  cost of the asset as determined by him and will  grant no further depreciation in respect thereof. It is no doubt true that in past  years  the  asset had become eligible  to  amounts  of depreciation the aggregate of which exceeds the actual  cost as  presently  determined  and,  if  that  depreciation   is deducted  from  the actual cost subsequently arrived  at,  a negative figure may result. But such a situation will  arise even  in  the  category of cases in which  the  revision  of actual cost is permissible [136E]      5.3. In the instant case, there was no negative written down value in earlier years and, equally, there will be none in the year of revision as the effect of the proviso is  not to  produce  a  negative written down  value  but   only  to preclude  further  grant  of depreciation on  the  asset  in future.  Read  thus a limitation on the  maximum  amount  of depreciation  that  an assessee can claim in  respect  of  a particular  asset,  there is no question of  arriving  at  a negative written down value. [136G]      5.4  The  use  of  the words "has  been  met"  is  very appropriate  and  proper  in the present  context  once  the mechanics   of   the  provision  are   understood.   It   is incontrovertible that, under S. 43(1) read with S. 43(6) the officer has to determine the actual cost for all assets, new and old, and the definition in S. 43(1) only requires  that, at  the  time  of doing so, he has to  examine  whether  the actual  cost has been fully laid out by the assessee or  has been  met  by some one else in whole or in part.  The  words "has  been  met"  squarely  fit into  this  reading  of  the section  and  the use of the words "has been met"  does  not restrict  the definition in S. 43(1) to assets  acquired  in the previous year. [138D-E]      Carson  v. Carson and Stoyek, [1964]1 All  England  Law Reports 681, referred to.      5.5   The  proviso  to  clause  (c)  really  places   a limitation  on the depreciation deductible at any  point  of time  and hence, there can never be a negative written  down value.  Explanations 2 and 4 to Section 43(6) fall  in  line with  the interpretation favoured by the Revenue once it  is understood  that  the reference  to  "depreciation  actually allowed" should be read subject to the limitation of  clause (c)  of  proviso to S. 10(2) (vi). Explanation 6  offers  no difficulty as the relationship as "parent" and "subsidiary" between  the  companies  involved in the  transfer  for  the purposes of this clause has to be determined as at the  time of the transfer                                                        124 of the asset and will not be a wobbling or fluctuating  one. [138G-H, 139A]      5.6  There is no difficulty or anomaly  resulting  from the   Revenue’s   interpretation  in  the   Calculation   of assessable  profits  under Section 41(2) or  the  allowances under Section 32(1)(iii). [139B, E]      Birmingham Corporation v. Barnes [1935] 3 I.T.R.  Supp. 26 (HL), referred to.      Riverside (Bhatpara) Electric Supply Co. Ltd v. C.I.T., [1977]  109 I.T.R. 399 (Cal.); CIT v. South Madras  Electric Supply  Corporation Ltd., [1977] 109 I.T.R. 426 (Mad.);  CIT v.  Saharanpur Electric Supply Co. Ltd., [1977]  109  I.T.R. 545 (All); CIT v. Bassein Electric Supply Co. Ltd.,  [1979] 118  I.T.R.  884 (Bom); Rohtak & Hissar  Districts  Electric Supply  Co. (P) Ltd., v. CIT, [1980] 128 I.T.R.  52  (Del.); Ambala  Electric Supply Co. Ltd., v. CIT. [1983] 139  I.T.R. 925  (Punj); CIT v. Bombay Suburban Electricity Co. Ltd., v. CIT,  [1983] I.T.R. 298 (Bom.);British insulated  Callendars

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Cables,v.  CIT[1983]  142 .I.T.R. 300(Bom);  CIT  v.  Panvel Taluka  Electrical  Development Co.  Ltd.,  [1983]  Taxation 71(1_-14  (Bom.);  Ranchi Electric Supply Co. Ltd.,  v.  CIT [1984]  150  I.T.R. 95 (Pat.); CIT  v.  Lonawalla  Khandalla Electric Supply Co. Ltd., [1985] 22 Taxman 77 (Bom.); CIT v. Calcutta Electric Supply Corporation Ltd., [1987] 166 I.T.R. 797  (Cal); CIT v. Bassein Electric Supply Co. Ltd.,  [1989] 177  I.T.R.  482  (ker.); CIT v.  Calcutta  Electric  Supply Corporation Ltd., [1989] 179 I.T.R. 580 (Cal) and  Ahmedabad Electricity  Co. Ltd. v. CIT [1991] 190 I.T.R.  413  (Bom.), approved.

JUDGMENT:      CIVIL APPELLATE JURISDICTION : Civil Appeal No. 1861 of 1977 Etc. Etc.      From  the Order dated 27.8.1976 of the  Allahabad  High Court in I.T.R. No. 271 of 1973.      Dr Debi Prasad Pal, S.D. Dastur, T.A. Ramachandran, D.P Mukherjee,  Ms.  Priya  Hingorani, C.N.  Mistry,  Mrs.  A.K. Verma,  D.N.  Misra,  V. Dholakia, R.  Ayyam  Peruman,  P.D. Pardiwala,  Dushyant  Dave,  R.N.  Karanjawala,  Ms.   Manik Karanjawala,  Ms.  V.S.  Rekha,  Sajai  Singh,  Ms.   Janaki Ramachandran,  Kailash  Pd.  Gupta and  H.K.  Dutt  for  the Appellants.      Dr.   V.  Gauri  Shankar,  S.C.   Manchanda,   Ms.   A. Subhashini and S. Rajappa for the Respondents.      The Judgment of the Court was delivered by                                                   125      RANGANATHAN, J. The appellants are all electric  supply undertakings situated in various parts of the country.   All the appeals relate to the assessment year 1962-63 or  later. They  raise a common question regarding the  computation  of depreciation  on service lines installed by the assesses,  a part  of  the expenditure incurred in  connection  with  the installation  of  which is recovered by  the  assesses  from consumers of electricity.      Depreciation, under the Income-Tax Act, is computed  as a  percentage  of the "written down value" of the  asset  in question.   The  Income-tax  Act, 1961 came  into  force  on 1.4.1962.  S. 43(6) of the Act defines "written down  value" thus :          ‘Written down value’ means-          "(a) in the case of assets acquired in the previous          year, the actual cost to the assessee;          (b)  in  the  case of assets  acquired  before  the          previous year, the actual cost to the assessee less          all depreciation actually allowed to him under this          Act, or under the Indian Income-tax Act, 1922(11 of          1922),  or any Act repealed by that Act,  or  under          any executive orders issued when the Indian Income-          tax Act, 1886 (2 of 1886), was in force."      The  Act also defines the expression ‘actual  cost’  in Section 43(1).  It reads thus :          "Actual  cost" means the actual  cost  of the  assets          to  the  assessee, reduced by that portion  of  the          cost  thereof, if any, as has been met directly  or          indirectly by any other person or authority :      It will be seen from the main paragraph of  sub-section (1)  of  Section 43 that it does not really define  what  is meant  by  the actual cost of an asset to the  assessee;  it only  contains  a gloss that, whatever  the  expression  may mean, that figure  has to be reduced by that portion of  it, if any as has been met directly or indirectly  by any  other

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person  or authority.  The question before us arises  partly due  to  this  circumstance and partly due  to  the  earlier legislative history of these provisions.      Under Section 10(2)(vi) read with Section 10(5) of  the Indian Income-tax Act, 1922, an assessee was entitled to  an allowance of depreciation at a percentage of the actual cost to  the assessee or the written down value of  the  relevant asset  owned by him and used for the purposes  of  business. It  is  common  ground that  the  service  lines  constitute machinery or plant on which                                                   126 the  assesses are entitled to depreciation.  Also, as  under the present Act, so under that Act, ‘written down value’ was defined with reference to ‘actual cost’.  Initially, between 1922  and 1952, the expression ‘actual cost’ was defined  to mean  just ‘the actual cost of the asset to  the  assessee’. As  already mentioned, a part of the cost of the  assets  in the present case viz.  service lines is met by the consumers with the result that, though the company might have incurred a particular amount as expenditure towards the  installation of  the  service  lines, ‘the actual cost’  to  it,  of  the service  lines, could, in a loose sense, be said to  be  the amount of expenditure incurred by it in this behalf less the amount recovered from the consumers in respect thereof.  The Income-tax Department tried to adopt this layman’s  approach and  restrict the depreciation on the service lines  on  the basis   of  their  cost  less  the  amount  recovered   from consumers.  The Bombay High Court in C.I.T v. Poona Electric Supply  Company  Ltd., [1946] 14 ITR 622,  and  in  C.I.T.V. Bombay  Suburban Electric Supply Co. (p) Ltd.[1977] 106  ITR 752  the Kerala High Court in C.I.T. v. Cochin Electric  Co. Ltd.  [1965] 57 ITR 82, the Punjab High Court in  C.I.T.  v. Ambala  Cantt.  Electric Supply Co. Ltd., [1971] 82 ITR  217 and the Patna High Court in C.I.T. v. Ranchi Electric Supply Co.   Ltd.  [1954]  26 ITR 89 disapproved of  this  line  of reasoning.  Relying on the decision of the House of Lords in Birmingham  Corporation  v. Barnes, [1935]  3  I.T.R.  Supp. 26(HL),  they held that, in ascertaining the actual cost  of an  asset  to the assessee, it was immaterial  that  someone else  has recouped the assessee, wholly or in part,  towards such cost.  This general principle is well settled by  these decisions and is also not in issue before us now.      The  1922 Act was amended by the  Income-tax  Amendment Act, 1953 w.e.f. 1.4.1952 in this respect.  This   amendment introduced an explanation to the definition of ‘actual cost’ to nullify the effect of the above decision.  Though, at the stage  of  the Bill, the proposal was to  exclude  from  the concept  of  actual  cost,  any  moneys  reimbursed  to  the assessee in this regard by any outside source vide [1952] 21 ITR  (SC) 40, the amendment, as finally effected,  permitted only a limited exclusion.  The Explanation read as follows :           "For   the  purposes  of  this  sub-section,   the          expression  ‘actual cost’ means the actual cost  of          the assets to the assessee reduced by that  portion          of  the  cost  thereof, if any,  as  has  been  met          directly  or  indirectly by Government  or  by  any          public or local authority........      When  enacting the Income-tax Act, 1961,  however,  the legislature  revived  the earlier proposal of 1953  and  the present Act directs the exclusion, in the computation of the actual  cost, of all amounts reimbursed to the  assessee  by any person whatsoever.                                                   127      Now the question which arises before us, in relation to the  assessment  year  1962-63,  is  this.   This  appellant

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companies  had  installed  service  connections  during  the relevant  previous  year.  So far as  these  are  concerned, there  is no dispute that depreciation has to be allowed  on them with reference to their ‘actual cost’ as defined in  S. 43(1) i.e. by excluding contributions or reimbursements from consumers.   But  the  appellants have also  to  be  granted depreciation  on  service connections installed  in  earlier previous years and it is only in respect of such assets that the  present controversy arises.  the depreciation on  those assets,  under  Section  43(6) of the 1961 Act,  has  to  be computed  with reference to their written down  value,  that is,  their  ‘actual cost’ less all depreciation  allowed  in respect thereof under the 1922 Act till the assessment  year 1961-62.   Since  those  assets had  been  acquired  by  the assessment   years,   their  actual  cost  had   been   duly ascertained   for  the  previous  year  of  acquisition   in accordance  with the provisions of Section 10(5)(a)  of  the Indian  Income-tax  Act,  1922.   If  the  assets  had  been acquired  earlier  than the previous year  relevant  to  the assessment  year 1952-53, the actual cost of the  assets  to the  assessee  would  perhaps have been  taken  without  any deductions whatever in respect of the contributions made  by other persons towards the cost of the asset.  In the case of such  of  those  assets  as had  been  acquired  during  the previous  years relevant to the assessment years 1952-53  to 1961-62,  the  actual  cost would have  been  determined  in accordance  with the relevant law as it stood at  that  time viz.  by  taking their actual cost and  deducting  therefrom contributions made by the Government or any public or  local authority to enable the assessee to acquire the assets.  The assesses’  contention is that there is no justification  for disturbing the written down value as so determined and  that the  depreciation  for  the  assessment  year  1962-63   and thereafter  should  be  based only on the  actual  cost  and written  down value so determined earlier.  They  plead  for the  undisturbed  continuance of  the  earlier  depreciation sheets  in respect of these assets.  On the other hand,  the Revenue contends that, though the assets have been  acquired in earlier previous years, the statutory mandate of  section 43(6)(b)  is  that their actual cost  should  be  determined afresh  for  each assessment year and this,  for  assessment year  1962-63  onwards, can only be in accordance  with  the definition  contained  in the 1963 Act.  On this  view,  the Department  has  ignored  the written down  value  of  these assets  as per the earlier record, computed the actual  cost of   the   service  lines  by  excluding  there   from   the contribution  of consumers but given credit  thereafter  for all depreciation allowed in respect thereof (on the basis of the  higher  actual  cost as then  determined)  in  all  the earlier  years.  The question is which if these  contentions is correct.      All  the  High  Courts have upheld  the  stand  of  the Revenue.  They have                                              128 answered the question by holding that the actual cost of all assets for purposes of assessment year 1962-63 and  onwards, whatever  might  have been the date of  acquisition  of  the assets  in question, has to be computed in  accordance  with the  new  formula laid down by the Income-tax Act  of  1961. These  decisions are : Riverside (Bhatpara) Electric  Supply Co.  Ltd. v. C.I.T. (1977] 109 I.T.R. 399 (Cal);  C.I.T.  v. South  Madras Electric Supply Corporation Ltd.,  [1977]  109 I.T.R.  426 (Mad); C.I.T. v. Saharanpur Electric Supply  Co. Ltd.,  [1977]  109  I.T.R.  545  (All);  C.I.T.  v.  Bassein Electric  Supply  Co.  Ltd., [1979] 118  I.T.R.  884  (Bom);

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Rohtak  & Hissar Districts Electric Supply Co. (P) Ltd.,  v. C.I.T.,  [1980] 128 I.T.R. 52 (Del); Ambala Electric  Supply Co. Ltd. v. C.I.T., (1983) 139 I.T.R.  925 (Punj); C.I.T. v. Bombay Suburban Electricity Co. Ltd ., [1983] 142 I.T.R. 298 (Bom); British Insulated Callendars, Cables Ltd., v. C.I.T., (1983)   142  I.T.R.  300 (Bom.); C.I.T.  v.  Panvel  Taluka Electrical  Development Co. Ltd., [1983]  Taxation  71(1)-14 (Bom.);’  Ranch Electric Supply Co. Ltd. v.  C.I.T.,  [1984] 150 I.T.R. 95 (Pat.); C.I.T. v. Lonawalla Khandalla Electric Supply Co.Ltd.,(1985) 22 Taxman 77 (Bom.); C.I.T v. Calcutta Electric  Supply  Corporation Ltd., [1987]  166  I.T.R.  797 (Cal);  C.I.T. v. Bassein Electric Supply Co.  Ltd.,  (1989) 177  I.T.R. 482 (Ker.); C.I.T. v. Calcutta  Electric  Supply Corporation Ltd. [1989] 179 I.T.R. 580 (Cal); and  Ahmedabad Electricity  Co.  Ltd.  v. C.I.T.,  [1991]  190  I.T.R.  413 (Bom.).  The appellants before us contest the correctness of this unanimous view of the High Courts.  Indeed some of  the decisions above referred to form the subject matter of  some of these appeals.      Dr.  Debi  Pal, Sri Dastur and  Sri  Ramachandran,  who appeared for the assessees, submitted that the various  High Courts  have  not correctly appreciated  the  arguments  put forward   before   them   and  failed  to   see   that   the interpretation  approved by them will result in  absurdities and  anomalies.   In view of the consensus of views  of  the High Courts against them, they have taken considerable pains to   address   elaborate  arguments  which   merit   serious consideration in these appeals.      We may, at the outset, dispose of an argument raised by Dr.  Pal.  His  point was that the  figure  of  actual  cost ascertained  in respect of any asset in any of  the  earlier previous  years  cannot  be altered in  a  subsequent  year. According to him, both the 1922 Act as well as the 1961  Act envisage  a  continuance of the figure of actual  cost  once arrived  at in respect of any plant or machinery  throughout the life-time of such plant or machinery.  He says that, for the  assessment year 1962-63, the question of  determination of actual cost can arise only in respect of assets  acquired during  the  relevant previous year under clause (a)  of  S. 43(5).   So far the assets in question are concerned,  which had  been acquired in earlier previous  years,  depreciation has to be calculated on the basis of the written down value. Since the written                                                          129 down  value  in  respect of these assets  had  already  been ascertained for the assessment year 1961-62, all that has to be done further, to find out the written down value for  the assessment   year  1962-63,  is  to  deduct  therefrom   the depreciation allowed for the assessment year 1961-62.      Attractive  as  this argument appears,  there  are  two difficulties  in accepting it. The first is the language  of S.43(6)  and, even, its predecessor s. 10(5)(a) of the  1922 Act. Though, in substance, depreciation on an asset for  any assessment  year  is calculated on its  written  down  value which is normally carried forward from an earlier assessment year,  the  phraseology  of the Act does not  bear  out  the contention  that  the  actual cost of the asset  has  to  be determined only once viz. in the previous year of its acqui- sition.  S. 43(6) specifically deals with two categories  of assets  :  (i) those acquired during the  relevant  previous year  and (ii) those acquired earlier to that. Even  in  re- spect  of  the latter class of assets, the Act  envisages  a computation  of the actual cost of the asset and the  deduc- tion therefrom of all depreciation allowed in earlier  years in  respect of the asset. Thus the first  step,  statutorily

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prescribed, for the determination of the written down  value of  any asset for any year, is for the Assessing Officer  to determine  its actual cost. This is a mandatory  step  which the  Officer cannot be prevented from taking merely  because the actual cost of the asset has already been determined  in one  or  more earlier years, though it may be true  that  in ninety   nine (and perhaps even more) percent of the  cases, the  result  (barring mistakes and some  special situations) will  just be the equivalent of the written down value  take for  the  immediately  preceding assessment  year  less  the depreciation  allowed for that year. This mechanics  of  the definition  was  explained  by the Calcutta  High  Court  in Karnani  Industrial  Bank  v. C.I.T.  [1954]25  I.T.R.  558, approved by this Court in Maharana Mills v. I.T.O.  [1959]36 I.T.R. 350 and followed in Habib Hussein v. C.I.T.  [1963]48 I.T.R.  859 (Bom.). In the light of these decisions and  the clear language of the statute, it is not possible to  accept the contention that the Income Tax Officer had no justifica- tion to compute first the actual cost of an asset which  had been acquired before the previous year. The second difficul- ty  in  the way accepting the argument of Dr. Pal  is  that, whatever  its validity over the period of continuous  opera- tion  of  the  same Act (of 1922 or 1961), it  can  have  no application  for  the assessment year 1962-63. There  is  no provision  in  the  1961 Act which permits  or  compels  the adoption  or  continuance of the figure of actual  cost  and written  down value determined under the provisions  of  the earlier statue which has been repealed by the 1961 Act.  We, therefore, reject this contention of Dr. Pal.      Perhaps realizing the above difficulty, Sri Dastur  put forward a slightly modified contention. He concedes that the actual  cost  as  determined for the earlier  years  is  not sacrosanct or untouchable and that there may be  circum                                                     130 stances in which it may have to be modified in the light  of subsequent  events. According to learned  counsel,  however, changes in actual cost in three situations can be taken into account for purposes of the definition in S.43(1) read  with sub-sec. (6). These, according to him, are :-          (i)  Subsequent factual occurrences which call  for               a modification of the figure of actual cost as               at the time of acquisition determined earlier:          (ii) Discovery   of  arithmetical  errors  in   the               earlier  computation  of the  actual  cost  or               written down value of any asset; and         (iii) Redetermination  of the original  actual  cost               necessitated  by a specifically  retrospective               statutory provision.      He points to instances of such modifications  permitted by  judicial decisions. In Karnani Industrial Bank  Ltd.  v. C.I.T. [1954]25 ITR 558 (Cal.) the assessee claimed to  have purchased   a  machinery  for  Rs.  3,94,000  and   obtained depreciation  on  that basis from  assessment  year  1939-40 onwards.  In  proceedings for assessment year  1946-47,  the Officer  discovered that the cost of the machinery was  only Rs.  2,80,000  and,  since  assessee  had  already  obtained depreciation beyond this, refused the grant of  depreciation for assessment years 1946-47 and 1947-48. This was upheld by the  Calcutta  High  Court. In Maharana Mills  (P)  Ltd.  v. I.T.O.  [1959]36  ITR  350(SC)  the  Officer  rectified  the assessments  of  the assessee to re-work  the  written  down value  computed  and the depreciation  granted  for  earlier years  as not being in accordance with law. The validity  of these rectifications was upheld. In Habib Hussein v. C.I.T., [1963]48  ITR  859  (Bom) the asset  in  question  had  been

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acquired  in  the previous year relevant to  the  assessment year  1950-51. The assessee had acquired the asset under  an agreement dated 4.6.48. But that agreement had been  revised on 10.7.50 (after the close of the relevant previous  year). The  assessee  claimed,  nevertheless, that  a  sum  of  Rs. 3,30,000 payable by virtue of the subsequent agreement, also formed part of the actual cost of the asset. This claim  was upheld by the High Court. According to learned counsel, this was also a case where the original figure of actual cost was more  precisely defined and quantified later.  Counsel  con- cedes that, in cases of this type the actual cost as  deter- mined  in earlier years might need to be modified  and  that the  assessing  officer  will be at liberty to  do  so.  He, however,  contends  that the actual cost cannot  be  altered merely  because  a  subsequent legislation  provides  for  a different  formula  for ascertainment of actual  cost;  that formula may very well apply in respect of assets acquired in and after the previous year to which the new law will be ap- plicable but it cannot be retrospectively made applicable to assets which                                                         131 had been acquired much earlier and the actual cost of  which had been determined in accordance with the earlier prevalent law, unless the statute specifically says so. As an example, he  refers  to  Explanation  8 to  S.  43(1)  which,  though inserted in 1989, provides that certain expenditure, of  the nature specified therein, "shall not be included, and  shall be deemed never to have been included in the actual cost  of such asset."      We  are  of the view that it is difficult to  read  any limitations  into  the statutory provision in  S.  43(6)  as contended   for  by  counsel.  As  already  explained,   the definition  envisages the computation of the actual cost  of each  asset, for every assessment year, not only in  respect of  assets  acquired during the previous year  but  also  in respect  of assets acquired before the previous  year.  This naturally  has to be done with reference to the  factual  or legal position that may prevail during the relevant previous year  and  can  be  taken  into  account  for  the  relevant assessment year. The section does not say that the  computa- tion of the actual cost of the asset has to be based only on the facts or law as they stood at the time of acquisition of the asset and as could have been taken into account for  the assessment  year relevant to the previous year  of  acquisi- tion. It is one thing to contend, as Dr. Pal did, that  once the  actual  cost  as at the date of  acquisition  has  been computed, that figure is final and cannot be interfered with subsequently.  But  that contention is  not  acceptable  for reasons  already  discussed. Once it is  conceded  that  the figure  of actual cost can require modifications it  is  not possible  to confine such modifications in the  manner  con- tended  for  by Sir. Dastur. Where  subsequent  information- factual  or  legal reveals that the actual  cost  determined originally was wrong, there can be no doubt that the  origi- nal  figure  of actual cost has to be altered, if  need  be, and, if possible, by reopening the earlier assessments  and, if that be not be possible, at least for the future. This is illustrated by the situations in Karnani and Maharana  Mills and this is also the position in cases to which  Explanation 8  applies. These are situations which have a  retrospective impact  on the original actual cost. But it is equally  con- ceivable  that the ‘actual cost’ may undergo a change  which does  not relate back in fact or law and there is no  reason why  such  change should not be given effect to  in  future, irrespective of what may have happened in the past. In  fact

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this is what happened in Habib Hussein’s case. It  was not a case of the category suggested by Sri Dastur. It was a  case where  the  figure of original cost underwent  a  change  by reason of a subsequent agreement and the High Court directed that the sum of Rs. 3,30,000 or part thereof attributable to the  acquisition  of the assets "should be included  in  the actual  cost of these assets to the assessee in the  respec- tive  year or years of account at the commencement of  which the liability to pay it or part thereof had accrued or would accrue". That the redetermination of actual cost permitted                                                        132 by  the  provision  with  which  we  are  concerned  is  not restricted  to cases of the limited range  of  retrospective change  in the actual cost suggested by Sri Dastur  is  also illustrated  by  the decision in C.I.T. v. Hides  &  leather Products P. Ltd., [1975]101 I.T.R. 61 (Guj.). In that  case, "the assessee who maintained its accounts on the  mercantile system purchased a piece of machinery from a foreign firm in 1955.  No amount was paid towards the price thereof  on  the ground  that  there  was some defect in  the  machinery  the liability to the foreign supplier was shown in the books  of account  and balance-sheet of the assessee. But in 1960,  by making  appropriate  entries  the assessee  wrote  back  the amount  of Rs. 30,572 being the price of machinery,  debited the  amount  in  the account of  the  foreign  supplier  and credited the same amount in the capital reserve account.  On the   question   whether  the  assessee  was   entitled   to depreciation  on the actual cost computed at Rs. 30,572  for the  assessment  years 1961-62 to 1965-66". The  High  Court held that "in view of the fact that the foreign supplier had not  recovered the amount of Rs. 30,572 and no  legal  steps had  been taken towards its recovery for so long a time,  it was not unreasonable to infer that the foreign supplier  had treated  the liability of the assessee to itself  as  having ceased  and  in  fact  and in substance  there  had  been  a cessation of this liability. The Act of 1922 applied to  the assessment  year  1961-62, and as the foreign  supplier  was neither  Government nor public nor local  authority,  though there  was cessation of liability the assessee was  entitled to  have the benefit of the entire amount of Rs.  30,572  as the actual cost. Depreciation was allowable to the  assessee for  the assessment year 1961-62 on the basis that the  cost to  it  of  the machinery was Rs. 30,572. The  Act  of  1961 applied to the assessment years 1962-63 to 1964-65 and under Section  43(1)  of  the Act, since there  was  cessation  of liability, the actual cost of the machinery to the assessees for these assessment years should be reduced by Rs. 30,572". Sri Dastur challenged the correctness of this decision in so far  as it held that the original cost itself did not  stand modified  as a result of the subsequent development. We  are not concerned with that aspect here. All that is relevant is that  this is a decision which permits as alteration in  the figure  of  actual  cost consequent  on  subsequent  factual occurrences that do not relate back. It also shows that  the actual cost for 1961-62 could be scaled down for the assess- ment   year  1962-63. There are also other  decisions  which make it clear that the original cost of an asset may  change after  the year of installation or erection as a  result  of further  liabilities arising later : C.I.T. v.  U.P.  Hotel- Restaurant Ltd. [1980]123 I.T.R. 626 (All.) and  Kilkotagiri Tea and Coffee Estate Ltd. v. C.I.T., (1978) 113 I.T.R. 729 (Ker.) decided in the context of depreciation allowance  and C.I.T.,  v.  Mithlesh Kumari, [1973]92 I.T.R. 9  (Del.)  and C.I.T. v. Gupta, [1979] 119 I.T.R. 372 (A.P.) decided in the context of the allied "cost of acquisition" for purposes  of

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capital gains.                                                        133      These apart, there are clearly situations in which  the actual   cost  does  get  altered  prospectively   and   not retrospectively.  One such instance is where the cost of  an asset increases or decreases on account of a fluctuation  in the value of the currency. Suppose an asset was purchased in 1965  for $10,000 (equivalent to say, Rs. 1,00,000) and  the price  or  the moneys borrowed by the  assessee  in  foreign currency for its payment, remained outstanding. The  evalua- tion of the rupee in June 1966 would result in the  increase of the price to say, Rs. 1,20,000. It may be arguable wheth- er this is a retrospective enhancement in the price or  not. But it would be only reasonable to say that the actual  cost has  increased  to Rs. 1,20,000 in June 1966  and  that  the assessee should be entitled to the grant of depreciation and other  allowances at least thereafter, on the basis  of  the altered  cost. This is what S. 43A provides. Another  situa- tion  would be where, subsequent to the acquisition  of  the asset,  substantial  capital expenditure has  been  incurred thereon  (not amounting to the addition of a separate  asset on which depreciation etc. could be independently  allowed). Such  expenditure is added, under the rules, in practice  to the  actual cost and allowance given  thereon  subsequently, vide  : the third column in the table set out at p.  878  in Habib  Hussein [1963]48 I.T.R. 859(Bom.). This is quite cor- rect and fully accords with the Department’s  interpretation of the provision. On the assessee’s interpretation, no  such increased  allowances can at all be granted as there  is  no other  provision permitting the additional cost being  taken into  account  as part of the ‘actual cost’ even  for  years subsequent  to  the addition or alternation.  In  principle, therefore,  we are unable to accept the contention that  the actual  cost  cannot be determined year after  year  on  the factual or legal position applicable for the relevant previ- ous year and that the actual cost once determined cannot  be altered  except in the three situations outlined by  counsel where the original figure itself required a modification.      Sri  Dastur,  however, contends that  there  are  three formidable  reasons why the interpretation suggested by  the Department  should  not  be accepted. We  shall  proceed  to consider these objections :      1. Legislation cannot be given retrospective effect  so as to affect existing rights unless it says so expressly  or by necessary implication :      The rule as to the prospective application of  statutes is  well  settled. It is sufficient here to  refer  to  some basic rules enunciated by prominent authors on  construction of statutes. To start with, the position has been  explained in  Craies  on Statute  Law (7th Edition) at page  389.  The learned  author  first  discusses the meaning  of  the  word ‘retrospective’ and points out : "a statute is to be  deemed to  be retrospective which takes away or impairs any  vested right acquired under existing laws, or creates a new obliga- tion, or imposes a                                                        134 new  duty,  or  attaches  a new  disability  in  respect  to transactions or considerations already past". But a  statute "is  not properly called a retrospective statute  because  a part  of the requisites for its action is drawn from a  time antecedent to its passing". A little later, it is  explained that while Parliament has competence to make the  provisions of an Act of Parliament retrospective. "........no rules  of construction  is more firmly established than this - that  a retrospective operation is not to be given to a statue so as

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to impair an existing right or obligation otherwise than  as regards a matter of procedure, unless that effect cannot  be avoided  without  doing  violence to  the  language  of  the enactment.  If the enactment is expressed in language  which is  fairly capable of either interpretation, it ought to  be construed as prospective only". Maxwell on Interpretation of statutes (12th Ed.) contains passage to like effect at  page 215 to 219. We may also refer to a passage from  "Principles of  Interpretation of Statutes" by G.P. Singh  (Fourth  Ed.) where the learned author warns against a departure from  the ordinary  meaning of the words used in a statute  merely  on grounds of hardship, injustice or absurdity. At page 81,  he points out : "........ considerations of hardship, injustice or absurdity as avoiding a particular construction is a rule which  must be applied with great care. ‘The argument  abin- convenienti’ said Lord Moulton, ‘is one which requires to be used with  great caution’. Explaining why great  caution  is necessary,  Lord  Moulton  further observed :  ‘There  is  a danger that it may degenerate into a mere judicial criticism of  the  propriety  of the Act of legislature.  We  have  to interpret  statutes according to the language used  therein, and  though occasionally the respective consequences of  two rival interpretations may guide us in our choice in  between them,  it can only be where, taking the Act as a  whole  and viewing it in connection with the existing state of the  law at  the time of the passing of the Act, we can satisfy  our- selves that the words cannot have been used in the sense  to which  the  argument points’. According to Brett  L.J.  "the inconvenience  necessitating a departure from  the  ordinary sense of the words should not only be great but should  also be  what he calls an "absurd inconvenience". Moreover  indi- vidual  cases of hardship or injustice have no  bearing  for rejecting the natural construction, and it is only when  the natural  construction  leads  to some  general  hardship  or injustice  and  some other construction is  reasonably  open that the natural construction may be departed from".      Examining  the provisions with which we are   concerned in the lights of the principles succinctly summarised above, it will be apparent that what we are concerned with here  is not at all a case of retrospective operation of the statute. It  is not the case of the revenue that the actual  cost  as determined in the assessment year 1962-63 should be  applied to  revise the computations for earlier year. All  that  the department says is that, though in respect of these                                                        135 particular   assets,  the  assessee  might   have   obtained depreciation for earlier assessment years on the basis of  a higher  figure, that will no longer be available  in  future and  that the figure of actual cost should be taken  not  as was originally calculated but only at a lower figure for the assessment years 1962-63 and onwards. It is just the case of a  provision, a part of the requisites for the operation  of which is drawn from a time antecedent to its passing.      It is argued on behalf of the assessee that the  provi- sion  should  be considered to be retrospective  because  it affects the vested or existing rights of the assessee.  This argument  is  based on the provisions of clause (c)  of  the proviso to Section 10(2) (vi) of the 1922 Act (corresponding to  section 34(3) of the 1961 Act) which lays down that  the aggregate of all deductions in respect of depreciation  made in the Act or its predecessor Acts shall "in no case  exceed the actual cost to the assessee of the building,  machinery, plant,  furniture, structure or work, as the case  may  be". Mr. Dastur’s argument is that, when the asset was  acquired, its  actual cost had been determined in a particular  manner

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and  that,  by virtue of the above provision,  the  assessee acquired a vested right to obtain depreciation thereon equal to  the  actual cost as so determined. He  also  points  out that, under the provisions of 1922 Act as well as 1961  Act, there  are elaborate provisions to adjust the allowances  of depreciation so as to accord with reality. If, on the  basis of  the depreciation already granted the written down  value of  the  asset becomes too low and the assessee is  able  to sell the asset for a higher price, the surplus is brought to tax.  On the other hand, where the depreciation  allowed  is inadequate  and the amount realised by the assessee  on  the sale,  demolition or destruction of the asset is  much  less than the written down value, the assesee is allowed to write off  the difference between the written down value  and  the scrap  value of the asset. In other words, the Act has  pro- vided  a machinery which ensures that the assessee  gets  by way  of  depreciation allowance is  correlated  to  reality. According to him, this right of the assessee, whether it  is described as a vested right or an existing right, is affect- ed  by the provision with which we are presently  concerned. To  this argument, Sri Ramachandran adds the  further  point that, under the provisions of Section 10(2)(vi) of the  1922 Act and Section 33 of the 1961 Act, the amount of  deprecia- tion  which  cannot  be adjusted against the  profits  of  a particular  year  can  be carried forward,  treated  as  the depreciation for the subsequent year and set off against the profits  of subsequent years. He points out that the  result of  accepting  the department’s  interpretation  of  Section 43(6)  of  the Act is that the depreciation allowed  to  the assessee in the earlier years may be higher than the  actual cost as arrived at subsequently under the provisions of 1961 Act.  In such an event the written down value of  the  asset i.e.  the actual cost minus the depreciation allowed to  the assessee  will  be a negative figure. The  result  of  this, according                                                        136 to  counsel,  will be that the  carried  forward  unabsorbed depreciation  will  be a negative figure in so far  as  this asset   in   concerned  and  will  reduce  the   amount   of depreciation that will be allowable to the assessee for  the same  year against the other assets and in subsequent  years against  other profits. In this way, according  to  counsel, the construction advocated by the department would result in affecting  rights which had been available to  the  assessee prior to the amendment.      We  are  of  the opinion  that  these  contentions  are unfounded. It is incorrect to view the position as if,  when an assessee acquires an asset, he acquires a right to obtain depreciation  thereon equal to the actual cost of the  asset as  originally  determined for tax purposes. The  effect  of clause (c) to the proviso to Section 10(2) (vi) of the  1922 Act  and  Section 34(3) of the 1961 Act is only  this  that, while  allowing  depreciation in respect of  any  asset  the officer  should be careful to see that the aggregate of  the depreciation  allowed  to the assessee in  respect  of  that asset does not exceed the actual cost of the asset. In other words,  as  and when the provision is applied for  each  and every  assessment year and the depreciation on any asset  is calculated,  it  should  be ensured  that  the  depreciation allowed  does  not exceed the actual cost of the  asset.  In other words, the "actual cost" referred to is not the actual cost  as originally determined at the time  of  acquisition. Thus,  in  the cases before us, while  examining  whether  a particular  asset  is entitled to any depreciation  for  the assessment  year 1962-63, the officer will find that it  has

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already secured depreciation much more than the actual  cost of the asset as determined by him and will grant no  further depreciation in respect thereof. It is no doubt true that in past  years  the  asset had become eligible  to  amounts  of depreciation the aggregate of which exceeds the actual  cost as  presently  determined  and,  if  that  depreciation   is deducted  from  the actual cost subsequently arrived  at,  a negative figure may result. But such a situation will  arise even  in  the category of the cases in which,  according  to counsel,  the revision of actual cost is permissible.  Thus, even  in Karnani Industrial Bank (supra) cited by  him,  the assessee  had obtained for earlier  years  depreciation  for exceeding  the real cost of the asset. This is an  "anomaly" which  arises because the assessee was  erroneously  granted higher depreciation than he deserved. But, even here,  there was  no  negative written down value in earlier  years  and, equally,  there will be none in the year of revision as  the effect  of the proviso is not to produce a negative  written down   value   but  only  to  preclude  further   grant   of depreciation  on  the  asset  in  future.  Read  thus  as  a limitation  on  the maximum amount of depreciation  that  an assessee  can claim in respect of a particular asset,  there is no question of arriving at a negative written down value. We  are,  therefore,  unable to  accept  the  contention  of counsel that the interpretation contended for by the depart- ment operates against the well                                                        137 known  principle that retrospective operation-assuming  that the  provision  has  a retrospective  effect-should  not  be presumed where existing or past rights are interfered with.      Nor  do we think that there is any doubt  or  ambiguity about  the provision. It is clear and explicit,  as  already pointed  out, that the actual cost has to be determined,  in each  assessment year, even of assets acquired   before  the commencement of the previous year relevant to the assessment year.  Not only is this intention plain and clear,  it  does not create any injustice or hardship; on the contrary, it is only  reasonable  and  just. It should  be  remembered  that object   of  the  provision  dealing  with  the   grant   of depreciation  is, generally speaking, to enable him  to  get the  capital  expenditure incurred by him in  acquiring  the asset written off to his profits over the years though it is true  that, in certain situations, the statute  specifically relaxes  this  rigidity.  In  earlier  years,  he  had  been obtaining  depreciation  on a particular  footing.  But  the language used lent itself to an interpretation that he could get  a deduction even in respect of expenditure he  did  not incur.  The  correctness of this interpretation  is  not  in doubt. Where a person purchases an asset, it may be  correct to say that the cost of the asset does not change because  a part  of  the  cost  is  met  by  some  one  else.  But  the legislature  had  to decide whether an  assessee  should  be allowed to claim an allowance of depreciation in  respect of the  asset on the artificial basis of the cost of the  asset rather than what he has actually spent to acquire that asset and  whether  the  wording of  the  original  provision,  as interpreted by courts, had not conferred an undue  advantage or  benefit on the assessee. This was not considered by  the legislature  to be equitable and, therefore, it was  altered by  legislation. It accords with reason that  the  provision should  be  interpreted  to say that,  at  least  after  the amendment,  the assessee should not be allowed  depreciation on  the basis of the earlier figure of actual cost.  It  is, therefore,  incorrect,  in  our opinion,  to  describe  this provision  as creating any undue  hardship or  injustice  or

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inconvenience to an assessee. It is in this context that the passages  cited  earlier  from Brett L.J  and  Lord  Moulton become  relevant. They appear to be particularly apt to  the context of the present provisions. For the above reasons, we are  unable to accept the contention addressed on behalf  of the assessee or to draw any support therefor from the obser- vations in Govind Das v. I.T.O., [1976]103 I.T.R. 123 at  p. 132; relied upon by counsel.      2. The language used in the provision :      It  was next suggested that there is an  indication  in the  language  of Section 43(6) itself to show  that  it  is available to be invoked only in respect of assets which  had been  acquired in earlier years. Reference is made  in  this context to the use of the words "as has been met" in Section 43(1) and the                                                        138 use  of  similar  language in the notes on  clauses  of  the corresponding  provision in the Income-tax Bill,  1961  (see 1961 Act 42 ITR supp. at page 161). It is argued that if the intention had been that the actual cost of assets which  had been  acquired earlier to the previous year should  also  be covered,  the legislature would have used the words "as  had been  met".  In  support  of  this  contention,  Sri  Dastur referred  to  the decision in Carson v. Carson  and  Stoyek, [1964]1  All England Law Reports 681. In that case, S. 3  of the Matrimonial Causes Act, 1963, which came into  operation on  July  31, 1963, provided that "adultery which  has  been condoned   shall not be capable of being revived". While  it was  quite  clear that, as a result of  this  provision,  no petition  could  rely on a course of conduct  subsequent  to July 31 as reviving previous condoned adultery, the question that arose was whether the section had retrospective  effect and  whether a course of conduct before that date  could  be relied  upon as reviving previously condoned  adultery.  The question  was answered in the negative. We do not think  the decision  is of help in the present context. The  nature  of the  provisions with which we are concerned and the mode  of its  operation are totally different. The use of  the  words "has been met" is very appropriate and proper in the present context  once we understand the mechanics of the  provision. As  we have already explained, it is incontrovertible  that, under  S.  43(1)  read  with S. 43(6)  the  officer  has  to determine  the actual cost for all assets, new and old,  and the  definition in S. 43(1) only requires that, at the  time of  doing so, he has to examine whether the actual cost  has been fully laid out by the assessee or has been met by  some one  else  in  whole or in part. The words  "has  been  met" squarely  fit  into this reading of the section  and  it  is difficult to accept the suggestion that the use of the words "has been met" lends support to an interpretation  restrict- ing  the  definition in S. 43(1) to assets acquired  in  the previous year.      3. Absurdities and anomalies :      It is contended that the Revenue’s interpretation  will result  in absurdities and anomalies. The first of these  is said  to  be  that  it may lead  to  the  computation  of  a negative  written down value and consequent difficulties  in applying various other statutory provisions. We have already negatived the contention and pointed out that the proviso to clause  (c) really places a limitation on  the  depreciation deductible at any point of time and, hence, there can  never be  a negative written down value as contended.  The  second anomaly  is said to be that the interpretation  favoured  by the  Revenue is incompatible with the terms of  Explanations 2,  4  and  6  to  S. 43(6).  We  see  no  such  difficulty.

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Explanations  2  and  4  fall in  line  with  the  suggested interpretation, once it is understood that the reference  to "depreciation  actually allowed" should be read  subject  to the limitation of clause (c) of proviso to S. 10(2)(vi) [now section 34(3)]. Explanation 6 offers no difficulty                                                        139 as the relationship as "parent" and "subsidiary" between the companies involved in the transfer for the purposes of  this clause  has to be determined as at the time of the  transfer of  the asset and will not be a wobbling or fluctuating  one as suggested by counsel for the assessee. Another difficulty pointed  out is that the interpretation put forward  by  the Department might lead to difficulties in the calculation  of assessable  profits  under section 41(2)  or  the  allowance under  section 32(1)(iii). Sri Ramachandran illustrated  the difficulty by giving the instance of an asset purchased for, say, Rs. 10,000 entirely with monies contributed by  others. If the asset had been purchased in 1958 and was eligible for depreciation at 10 per cent, the assessee would have secured depreciation  of Rs. 2710 in the assessment  years  1959-60, 1960-61  and 1961-62. Suppose in the previous year  relevant assessment  year  1963-64,  it is sold  for  Rs.  5000.  Mr. Ramachandran points out that, according to the  Department’s interpretation the actual cost of the asset will be nil and, therefore, its written down value at the end of the previous year  relevant for the assessment year 1962-63 would be  nil with  the result that the entire sum of Rs. 5000  for  which the  asset  is  sold will become  chargeable  under  section 41(2). In other words, the assessee will have to pay tax  on Rs.  5,000  by way of balancing charge though  he  had  been allowed  depreciation only to the extent of Rs. 2710.  Again if  the  asset is sold for Rs. 2,500 in  the  previous  year relevant  for  assessment  year 1963-64,  according  to  the Department  he will have to pay a tax on Rs.  2,500  whereas under  the  old provisions he would have  got  an  allowance under section 32(1)(iii). But this is only a seeming  anoma- ly.  For, the sums of Rs. 5,000 and Rs. 2,500 will be  taxed not as balancing charge but as capital gains which is  quite consistent with the department’s position that, the assessee having paid nothing for the asset, its actual cost should be taken at nil, a stand in which there is no absurdity. We  do not, therefore, think that any difficulty or anomaly results from the interpretation suggested.      For the reasons discussed above, we agree with the view taken by the several High Courts and dismiss these appeals. N.P.V.                                     Appeal dismissed.                                                   140