23 November 1989
Supreme Court
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SWADESHI POLYTEX LTD. Vs COLLECTOR OF CENTRAL EXCISE

Bench: MUKHARJI,SABYASACHI (J)
Case number: Appeal Civil 3988 of 1988


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PETITIONER: SWADESHI POLYTEX LTD.

       Vs.

RESPONDENT: COLLECTOR OF CENTRAL EXCISE

DATE OF JUDGMENT23/11/1989

BENCH: MUKHARJI, SABYASACHI (J) BENCH: MUKHARJI, SABYASACHI (J) RAY, B.C. (J)

CITATION:  1990 AIR  301            1989 SCR  Supl. (2) 262  1990 SCC  (2) 358        JT 1989  Supl.    347  1989 SCALE  (2)1208  CITATOR INFO :  F          1992 SC1532  (4)

ACT:     Central  Excises  and  Salt Act, 1944:  Sections  4  and 35L’Assessee-Manufacturing polyester fibre--Inputs  ethylene glycol   and  dimethye tetraphthalate--Whether  entitled  to claim set off of duty on ethylene glycol.

HEADNOTE:     The appellant was engaged in the manufacture of  polyes- ter  fibre  (man-made) falling under tariff item 18  of  the erstwhile  Central  Excise Tariff. In its  manufacture,  the appellant was using, among other things, ethylene glycol and DMT  (Dimethyle Tetraphthalate)--duty paid  ethylene  glycol falling  under  tariff  item No. 68. During  the  course  of manufacture of polyester fibre, two basic raw materials  DMT and  Glycol  interact and thereby certain waste  comes  into existence.  This interaction also gave rise to  methanol,  a by-product.     Notification  No.  201/79 dated  4.6.1979  exempted  all excisable goods on which duty of excise was leviable and  in the manufacture of which any goods failing under tariff item 68 had been used, from so much of the duty of excise as  was equivalent to the duty of excise paid on the imputs.     Exemption notification No. 201/79 was amended by notifi- cation No. 102/81 with effect from 11th April, 1981. By this amended  notification,  a  second proviso  was  added  which provided  that the credit of the duty allowed in respect  of inputs could not be denied or varied on the ground that part of  the  inputs was contained in any waste,  refuse  or  by- product arising during the manufacture, irrespective of  the fact  that such waste, refuse or by-product was exempt  from the whole of duty of excise leviable thereon or was  charge- able to nil rate of duty.     Earlier, in the case of proforma credit procedure  under rule  56-A  of the Central Excise Rules,  clarification  had been issued by the Collector of Central Excise, under  trade notice  dated 19.7.1980 to the effect that  proforma  credit was  permissible  even  where at an  intermediate  state  of manufacture,  a  final product which was fully  exempt  from duty  came  into  being, provided that  the  fully  exempted

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product was consumed in 263 the production or manufacture of the finished product.  This trade  notice  categorically stated that  the  clarification would  also  be  applicable to  exemption  notification  No. 201/79.     The  appellant claimed set off of duty paid on  ethylene glycol  used  in the manufacture of  polyester  fibre  under notification No. 201/79. The Assistant Collector of  Central Excise held on 6.8.1980 that no proforma credit was  allowa- ble  in  respect  of ethylene glycol  used/consumed  in  the methanol,  the ethylene glycol residual waste and  polyester fibre waste.     The  Collector  of Central  Excise  (Appeals),  however, allowed the appeals filed by the appellant and set aside the Assistant  Collector’s order and the demands. The  Collector observed  that the procedure under notification  No.  201/79 was  materially the same as the procedure under rule 56A  of the Central Excise Rule.     The revenue went up in appeal before the Customs, Excise JUDGMENT: was  contended on behalf of the revenue that prior  to  11th April,  1981  there  was no provision  in  notification  No. 201/79  entitling the manufacturer to obtain credit  of  the duty of excise already paid on the inputs resulting in waste or  by-products or refuse which arose in the manufacture  of excisable  products  which used the inputs; that  the  trade notice issued pertained to rule 56-A and not to the  notifi- cation;  that  the  rule and  notifications  were  different enactments and the provisions of one could not be read  into another even after 11th April, 1981; that the exemption  was only  in  respect of duty on inputs in  the  manufacture  of excisable  goods and their waste, by-product or refuse;  and that  since methanol was not excisable, it was not  eligible for  set off of duty on the glycol content in  its  manufac- ture.     On  behalf of the appellant, however, it  was  contended that glycol was used totally in the production of  polyester fibre; that methanol resulted out of the reaction of DMT and glycol;  and  that the Government always  maintained  parity between rule 56-A and notification No. 201/79.     The  Tribunal  was of the opinion that  the  Collector’s observation that the procedure under notification No. 201/79 was materially the same as the procedure under rule 56-A and consequently the amending notification deemed to have retro- spective effect was not, in the absence of any such  indica- tion, acceptable. In the premises, the Tribunal allowed  the appeals, of the Revenue. 264 Allowing the appeals, this Court,     HELD: (1) On  an analysis and comparison of the  notifi- cations  No.  201/79, No. 102/81 and the  circulars,  it  is clear  that  the clarification in the form of  trade  notice issued  in  respect of rule 56-A was as much  applicable  to that rule as to notification No. 201/79. [272D]     (2)  It  is  true that when in a  fiscal  provision,  is benefit  of exemption is to be considered, this’  should  be strictly considered. But the strictness of the  construction of exemption notification does not mean that the full effect to  the  exemption notification should not be given  by  any circuitous  process of interpretation. After all,  exemption notifications are meant to be implemented and trade  notices in these matters clarify the stand of the Government for the trade. [272E-F]     (3) The quantity of ethylene glycol required to  produce

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a  certain quantum of polyester fibre is determined  by  the chemical reaction. It is not possible to use a lesser  quan- tum of the ethylene glycol to prevent methanol from  arising for  producing a certain quantity of polyester fibre. It  is not  as if the appellants have used excess  ethylene  glycol wantedly to produce the methanol. It is also clear that  the appellants are not engaged in the production of methanol but in the production of polyester fibre. [272H; 273A]     (4) The Tribunal, in the instant case, failed to  inter- pret  the  words of the exemption  notification  No.  201/79 properly  and  fully.  The said  notification  exempted  all excisable goods on which the duty of excise was leviable and in  the manufacture of which any goods falling under  Tariff Item No. 68 (i.e. inputs) had been used from so much of  the duty  of  excise already paid on the inputs.  The  excisable goods, namely, polyester fibre, were not wholly exempt  from duty  nor chargeable to nil rate of duty. It cannot be  read in  the  notification  that the notification  would  not  be available in case non-excisable goods arise during he course of manufacture. In fact, the Tribunal seems to have erred in not bearing in mind that exemption notification was  pressed in service in respect of polyester fibre which is  excisable goods  and not in respect of methanol which arises as a  by- product  as a part and parcel of chemical reaction.  It  ap- pears  further  on  a comparison of the rule  56-a  and  the notification  No.  201/79  that these  deal  with  identical situations. [272F; 273C-D]     Indian Aluminium Co. Ltd. & Anr. v.A.K. Bandyopadhyay  & Ors., [1980] ELT 146, referred to. 265

&     CIVIL APPELLATE JURISDICTION: Civil Appeal No. 398890 of 1988.     From  Order  No.  590-592/1988 dated  18.8.1988  of  the Customs  Excise and Gold (Control) Appellate  Tribunal,  New Delhi  in  Appeal  Nos.  E 375/84-D,  S.A.  No.  991/88-D  & 992/88-D with C.O. No. 283/ 84-D.     V.  Lakshmikumaran, Madhava Rao and V. Balachandran  for the Appellant. A.K. Ganguli and P. Parmeshwaran for the Respondent. Judgment of the Court was delivered by     SABYASACHI MUKHARJI, J. This is an appeal under  section 35L  of  the Central Excises & Salt Act,  1944  (hereinafter referred  to  as ’the Act’) against the judgment  and  order dated 18th August, 1988 passed by the Customs, Excise & Gold (Control)  Appellate  Tribunal, New Delhi  (hereinafter  re- ferred to as ’the tribunal’).     The  appellant was at all relevant times engaged in  the manufacture,  inter  alia,  of  polyester  fibre  (man-made) failing under tariff item 18 of the erstwhile Central Excise Tariff.  In the manufacture of the aforesaid, the  appellant was  using,  amongst other inputs, ethylene glycol  and  DMT (Dimethyl Tetraphthalate)--duty paid ethylene glycol falling under  tariff  item No. 68 of the erstwhile  Central  Excise Tariff  received by the appellant and used in  the  manufac- ture.     The  notification  No. 201/79  dated  4.6.79,  mentioned hereinafter,  exempted,  according  to  the  appellant,  all excisable goods on which duty of excise was leviable and  in the manufacture of which any goods falling under tariff item 68 had been used, from so much of the duty of excise as  was equivalent  to  the duty of excise paid on the  inputs.  The

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appellants  claimed set off of duty on ethylene glycol  used in the manufacture of polyester fibre under notification No. 201/79 dt. 23.6.1979. In response to the appellant’s seeking set  off the duty paid on ethylene glycol, they  received  a letter  from  the  Assistant Collector  of  Central  Excise, Ghaziabad,  dated 6th August, 1980 by which the Asstt.  Col- lector held that no proforma credit was allowable in respect of ethylene glycol for the following: (a)  Methanol which is not excisable and is cleared  without pay- 266 ment  of  duty; (b) Glycol residual waste  which  was  being destroyed  by the appellants by throwing in the  field;  and (c) Polyester fibre waste which was used in the recovery  of DMT  and  exempt from payment of duty under  Central  Excise Notification dt. 19th May, 1976.     The  appellants  were further directed  to  furnish  the exact percentage of ethylene glycol content used/consumed in the methanol, the ethylene glycol residual waste and polyes- ter fibre waste; and that not to utilise the proforma credit or  set off credit till the data was furnished and the  same was authenticated by the Chemical Engineer. The  classifica- tion list submitted by the appellants was modified in  terms of the said letter.     Thereafter,  classification list was filed claiming  set off of duty on ethylene glycol falling under tariff item  68 under exemption notification No. 201/79 as amended by  noti- fication  No.  102/81 dt. 13th May, 1981.  By  this  amended notification, a second proviso was added which provided that the  credit of the duty allowed in respect of  inputs  could not  be  denied or varied on the ground that  part  of  thee input  was  contained  in any waste,  refuge  or  by-product arising  during  the manufacture, irrespective of  the  fact that  such  waste, refuse or byproduce was exempt  from  the whole  of duty of excise leviable thereon or was  chargeable to nil rate of duty.     Hence,  it is the case of the appellants that from  11th April,  1981 even though some part of the input may be  con- tained  in any waste, refuge or by-product which is  charge- able to nil rate of duty, the credit of the duty paid on the inputs  could  not be denied. By this order the set  off  of duty  in  respect of duty paid ethylene glycol  was  allowed from 11th April, 1981 onwards except in the case of ethylene glycol  used/ consumed in polyester waste used for  recovery of  DMT on the ground that this polyester waste was  charge- able  to nil rate of duty. Similarly, duty paid on  ethylene glycol which was used for recovery of DMT was held not to be allowable while paying duty on polyester fibre.     Aggrieved  thereby, an appeal against the said order  to the Collector of Central Excise, Ghaziabad was filed.     The  main  contentions of the appellants were  that  the ethylene  glycon  received in the factory after  payment  of duty  was  consumed in the manufacture  of  polyester  fibre only.  During the course of manufacture of polyester  fibre, two basic raw materials DMT and Glycol interact and  thereby certain waste comes into existence. This 267 waste is recycled with glycol for the recovery of DMT in DMT recovery  plant, within the factory. Hence, the  entire  set off of duty was to be allowed since no part of DMT  produced was  diverted  for any other use other  than  production  of polyester  fibre nor was it taken outside the  factory.  The appellants contended that in case of proforma credit  proce- dure under rule 56-A of the Central Excise Rules, clarifica- tion  had  been issued by the Collector of  Central  Excise,

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under trade notice No. 72-CE/80 dt. 19.7. 1980 to the effect that  proforma  credit is permissible even where at  an  in- termediate  state of manufacture, a final product  which  is fully  exempt from duty comes into being, provided that  the fully  exempted  product is consumed in  the  production  or manufacture  of  the  finished product.  This  trade  notice categorically  states that this clarification would also  be applicable to exemption notification No. 201/79.     By an order dated 17th November, 1981 the Asstt. Collec- tor held that the appellants were entitled to credit of duty paid  on the ethylene glycol only to the extent of the  per- centage  content as determined by the Chief  Chemical  Engi- neer,  CRCL,  New Delhi. The order covered the  period  from 17.7.1979 to 10.4. 1981.     As  mentioned before, the notification was amended  from 11th  April,  1981  whereby the credit of the  duty  on  any inputs  was  not to be denied to any waste,  refuse  or  by- product  arising during the manufacture of the output  irre- spective  of  whether the waste, refuse  or  by-product  was chargeable to nil rate of duty or not.     By  a  letter dated 27th November, 1981  the  appellants were informed that set off for Rs. 15,41,673.60 was inadmis- sible.  By  a  subsequent letter of  the  Superintendent  of Central Excise, Ghaziabad, dated 17th December, 1981 it  was stated   to  the  appellant  that  they  had  received   Rs. 15,42,740.16  as set off which was inadmissible. The  period mentioned  was 17.7.1979 to 10.4.1981. The  appellants  case was  that  this related only to ethylene glycol  content  in methanol.     There was a second appeal preferred to the Collector  of Central Excise, Delhi, against the order dated 17.11.1981 of the Asstt. Collector disallowing the set off of duty  credit paid  on  ethylene glycol content in methanol  and  ethylene glycol  waste and polyester fibre waste. A third appeal  was filed before the Collector (Appeals) against the duty demand of Rs. 15.42,740.16. Thereafter,  the  appellants received a  letter  dated  23rd April, 268 1983 from the Superintendent of Central Excise which  stated that  the stand of the appellants that the  ethylene  glycol contribute  only  H positive and not OH negative,  has  been accepted  by the Chief Chemical Engineer, CERL,  New  Delhi. Consequently,  since  the  ethylene glycol  content  in  the methanoi,  wherein  the ethylene glycol  contribute  only  H positive and not OH negative ions, the amount of  inadmissi- ble set off would stand reduced to Rs.90,749,76.     The aforesaid three appeals were decided by the ’Collec- tor  of Central Excise (Appeals), by passing a single  order dated  15th  December, 1983, wherein he  observed  that  the procedure under notification No. 20 1/79 was materially  the same  as  the procedure under rule 56A and  in  the  circum- stances  allowed  all the appeals and set aside  the  Asstt. Collector’s order and the demands.     Aggrieved thereby, the revenue went up in appeal  before the  tribunal.  The tribunal after examining  the  aforesaid contentions noted the contention of the parties. It was  the case  of the revenue that prior to 1 Ith April,  1981  there was  no provision in notification No. 201/79  entitling  the manufacturer to obtain credit of the duty of excise  already paid  on  the  inputs resulting in waste  or  by-product  or refuge which arose in the manufacture of excisable  products which  used the inputs. Hence, it was argued that  the  duty element in the quantity of glycol which was contained in the glycol  residual waster, polyester fibre waste and  methanoi

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(by-product)  which was non-excisable, did not  qualify  for credit which could be subsequently used for discharging duty liability  on dutiable finished product. The provision  con- tained in notification No. 102/81 was not available prior to 11th  April, 1981 it was submitted on behalf of revenue.  It was  further submitted that the trade notice issued by  Pune Collectorate  pertained  to rule 56-A only and  not  to  the notificaion.  It  was further submitted that  the  rule  and notifications are different enactments and the provisions of one cannot be read into another even after 11th April,  1981 and  the exemption was only in respect of duty on inputs  in the  manufacture  of excisable goods and  their  waste,  by- product or refuge. It was submitted that since methanol  was not  excisable, it was not eligible for set off of  duty  on the  glycol  content  in its manufature. On  behalf  of  the appellants,  however, it was contended that glycol  is  used totally  in  the  production of  polyester  fibre.  methanol results out of the reaction of DMT and glycol; and that  the Government  always maintained parity between rule  56-A  and notification No. 201/79, hence, the appellants were eligible to  full set off. On behalf of the appellants  reliance  was placed on the decision of the High Court of Bombay in Indian Aluminium Co. 269 Ltd.  & Anr. v. A.K. Bandyopadhyay & Ors., [1980]  ELT  146. The question that the tribunal had to decide was whether the set  off of duty paid on inputs was admissible only  if  the finished  excisable  goods manufactured therefrom,  was  not exempted  from duty.The process of manufacture and the  out- come of ethynol are not in dispute. The tribunal was of  the view  that  the judgment of the Bombay High Court  had  held that  dross skimmings thrown off in the process of  manufac- ture and aluminium sheets were not end products or  finished or  by-products merely because such refuge might fetch  some price  in the market. The High Court had further  held  that proviso  to sub-rule 56-A will have no application  and  the skimmings  cannot  be said to be finished  excisable  goods. These were not exempted from the whole of duty of excise  or chargeable  to  nil rate of duty whereas the  sub-rule  pre- scribed  that  the credit is admissible if the  material  is used  in the manufacture of finished goods which are  exempt from duty or are chargeable to nil rate of duty. The  Tribu- nal  was of the opinion that the factual  background’of  the case  before the Bombay High court was different and  there- fore,  it was of the opinion that the said decision was  not applicable in the instant case.     The  Tribunal  was of the opinion that the  revenue  was right that rule 56A and notification No. 201/79 were differ- ent  enactments and the amendment to one could not  be  read into the other. In that view of the matter, the Tribunal was of the view that the Collector’s observation that the proce- dure under notification No.201/79 was materially the same as the  procedure under rule 56A and consequently the  amending notification deemed to have retrospective effect was not, in the  absence  of  any such indication,  acceptable.  In  the premises, the Tribunal allowed the appeals and rejected  the cross-objection.     The  question involved in these appeals, is whether  the Tribunal  was  right. On behalf of the appellants,  Shri  V. Lakshmikumaran contended that the Tribunal failed to  appre- ciate  that the provisions of rule 56A and notification  No. 201/79  were para materia. It appears to us that the  provi- sions of rule 56A and the notification No. 201/79 are  iden- tical. The relevant provisions of Rule 56A are as follows:               "56A(1)  .........

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             56A(2) The Collector may, on application  made               in  this behalf and subject to the  conditions               mentioned  in  sub-rule  (3)  and  such  other               conditions  as  may,  from time  to  time,  be               prescribed by the Central Government, permit               a manu-               270               facturer  of  any  excisable  goods  specified               under  sub-rule  (1) to  receive  material  or               component  parts  of  finished  product  (like               Asbestos Cement), on which the duty of  excise               or the additional duty under section 3 of  the               Customs Tariff Act, 1975 (51 of 1975) (herein-               after referred to as the countervailing duty),               has been paid in his factory for the  manufac-               ture  of  these goods or the  more  convenient               distribution  of finished product and allow  a               credit of the duty already paid on such  mate-               rial  or component parts or finished  product,               as the case may be:               Provided  that  no  credit of  duty  shall  be               allowed  in respect of any material or  compo-               nent parts used in the manufacture of finished               excisable goods--               (i) if such finished excisable goods  produced               by the manufacturer are exempt from the  whole               of the duty of excise leviable thereon or  are               chargeable to ’nil’ rate of duty, and               (ii)  .........               Explanation.--Credit  of the duty  allowed  in               respect  of  any material or  component  parts               shall  not be denied or varied on  the  ground               that part of such material or component  parts               is  contained  in  any waste,  refuse  or  by-               product arising during the process of manufac-               ture of the finished excisable goods irrespec-               tive  of the fact that such waste,  refuse  or               by-product  is  exempt from the whole  of  the               duty of excise leviable thereon or is  charge-               able  to nil rate of duty or is  not  notified               under sub-rule ( 1):               Provided  ......... The  notification No. 20 1/79 prior to 1 Ith April, 1981  in so far as relevant for the present purpose was as follows:                        "Set  off of duty on  all  exciseable               goods on use of duty paid goods falling  under               Item 68 (Tariff Items I to 68): In exercise of               the powers conferred by sub-rule (1) of rule 8               of  the  Central Excise Rules,  1944,  and  in               supersession  of the notification of the  Gov-               ernment  of India in the Ministry  of  Finance               (Department  of Revenue)  No.  178/77--Central               Excise, dated the 18th June, 1977, the Central               Government               271               hereby exempts all excisable goods  (hereinaf-               ter  referred as "the said goods"),  on  which               the  duty  of excise is leviable  and  in  the               manufacture  of which any goods falling  under               Item  No.  68  of the first  Schedule  to  the               Central Excises and Salt Act, 1944 (1 of 1944)               (hereinafter  referred as "the  inputs")  have               been used, from so much of the duty of  excise               leviable thereon as is equivalent to the  duty               of excise already paid on the inputs:

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             Provided  that  the procedure set out  in  the               Appendix to this notification is followed:               Provided  further  that nothing  contained  in               this  notification  shall apply  to  the  said               goods  which were exempted from the  whole  of               the  duty  of excise leviable thereon  or  are               chargeable to nil rate of duty."     The  amending notification No. 102/81 dated 11th  April, 1981 is as follows:               "Provided also that credit of the duty allowed               in  respect of the inputs shall not be  denied               or  varied  on the ground that  part  of  such               inputs  is contained in any waste,  refuse  or               by-product  arising  during  the  process   of               manufacture of the said goods, irrespective of               the fact that such waste, refuse or by-product               is exempt from the whole of the duty of excise               leviable thereon or is chargeable to nil  rate               of duty or is not mentioned in the declaration               referred to in the Appendix to this  notifica-               tion."     Central  Board of Excise & Customs issued  Circular  No. 6/81CX. 6, dated 31st January, 1981, which reads as follows:               "Central Excise--Rule 56A--Proforma Credit  of               duty  paid  on material/component  parts  con-               tained in waste, refuse or by-product  arising               during the process of manufacture-regarding.               A  doubt  has  been  raised  whether  proforma               credit  of  duty  paid  on  material/component               parts  used  in manufacture  of  the  finished               excisable goods notified under rule 56A of the               Central Excise Rules, 1944, is to be denied to               the  extent such material or  component  parts               are contained in any               272               waste, refuse or by-product arising during the               process  of manufacture of the  notified  fin-               ished excisable goods on the grounds that such               waste,  refuse or by-product is  either  fully               exempt  from duty or not notified  under  sub-               rule (1) of rule 56A.               2.  Since the Government’s intention has  been               not to deny the benefit of proforma credit  in               such situation, an Explanation has been  added               to  sub-rule (2) of rule 56A, so as to  remove               the  ambiguity in the rule.  Notification  No.               8/8  I-CE dated 31.1. 1981 amending rule  56-A               is enclosed. It may, however, be noticed  that               such credit cannot be utilised for payment  of               duty  leviable  on such waste,  refuse  or  by               product."     On an analysis and comparison of aforesaid, it is  clear that the clarification in the form of trade notice issued by the  Pune  Collectorate in respect of rule 56A was  as  much applicable  to that rule as to notification No. 20 1/79.  In the premises, it is clear that the Tribunal should have held that even though a part of the ethylene glycol was contained in the by-product methanoi, yet the credit of duty could not be reduced to the extent of the ethylene gIycol contained in the mathanoi as ineligible. It is true that when in a fiscal provision, if benefit of exemption is to be considered, this should  be  strictly considered. But the strictness  of  the construction  of exemption notification does not  mean  that the full effect to the exemption notification should not  be given  by  any circuitous process of  interpretation.  After

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all, exemption notifications are meant to be implemented and trade  notices  in these matters clarify the  stand  of  the Government  for the trade. It is clear, therefore, that  the Tribunal  failed  to interpret the words  of  the  exemption notification No. 201/79 properly and fully. The said notifi- cation  exempted  all excisable goods on which the  duty  of excise  was  leviable and in the manufacture  of  which  any goods  falling under Tariff Item 68 (i.e. inputs)  had  been used from so much of the duty of excise leviable thereon  as was  equivalent  to the duty of excise already paid  on  the inputs. It is clear, however, that ethylene glycol was  used in  the  manufacture  of polyester fibre.  It  appears  that methanoi  arises as a part and parcel of the chemical  reac- tion during the process of manufacture when ethylene  glycol interacts  with  DMT to produce polyester fibre. It  is  not possible  to use a lesser quantum of the ethylene glycol  to prevent methanoi from arising for producing a certain  quan- tity  of  polyester fibre. Thus, the  quantity  of  ethylene glycol  required to produce a certain quantum  of  polyester fibre is determined 273 by the chemical reaction. It may be mentioned herein that it is not as if the appellants have used excess ethylene glycol wantonly  to  produce  the-methanol. It is  clear  that  the appellants are not engaged in the production of methanol but in  the  production  of polyester fibre.  That  position  is undisputed.  Therefore, it appears that the  Tribunal  erred when it held that the appellants were not entitled to a part of  the credit of duty since ethylene glycol when it  inter- acts with DMT also gives rise to methanoi. This construction would  frustrate the object of exemption if something  which evidently  arises out of the interaction is  denied  Credit. Even  prior  to amendment to notification  No.  201/79  with effect from 1 Ith April, 1987, the only situation where  the credit  of the duty paid on the inputs could be  denied  was only  where the final products were wholely exempt from  the duty  of  excise or chargeable to nil rate of duty.  In  the present  case, the excisable goods, namely, polyester  fibre were not wholely exempt from duty nor chargeable to nil rate of  duty.  It cannot be read in the  notification  that  the notification  would not be available in  case  non-excisable goods  arise during the course of manufacture. In fact,  the Tribunal  seems  to have erred in not bearing in  mind  that exemption notification was pressed in service in respect  of polyester fibre which is excisable goods and not in  respect of  methanoi  which  arises as a by-product as  a  part  and parcel  of chemical reaction. It appears further on  a  com- parison  of  the rule 56A and the notification No.  20  1/79 that these deal with the identical situation.     In  this connection, reference may be made to the  deci- sion  of the Bombay High Court in Indian Alurninium Co.  and Anr.  ’s case (supra). In that case, the High Court came  to the  conclusion  that dross and skimmings  were  merely  the refuge,  scum or rubbish thrown out in the process of  manu- facture of aluminium sheets and could not be said to be  the result  of treatment, labour or manipulation whereby  a  new and  different  article  emerged with  a  distinctive  name, character or use which can ordinarily come to the market  to be bought and sold. The High Court further held in that case that merely because such refuse or scum may fetch some price in the market does not justify it being called a by-product, much less an end product or a finished product. In the light of  that fact, the High Court was of the view that  in  that case the end-product was aluminium sheets manufactured  from aluminium ingots and dross or skimmings. Therefore, the High

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Court  was of the view that these were neither  ’goods’  nor ’end products’ nor ’finished products’ liable to duty  under item 27 of Central Excise Tariff. The High Court was of  the view that under proviso to section 56 A (2) proforma  credit was  not admissible if the material is used in the  manufac- ture of finished excisable goods which are exempt from duty 274 or chargeable to nil rate of duty. Since dross and skimmings are  mere  ’ashes’, these could not be said to  be  finished excisable goods, nor they were exempt from the whole of duty of  excise or chargeable to ’nil’ rate of  duty.  Therefore, proviso  to  sub-rule  (2) of rule 56A would  not  have  any application.  The High Court was of the view that refuse  or skum thrown off during the process of manufacture could  not by any stretch of imagination be considered as a  by-product and merely because such refuse or scum may fetch some  price in the market they could not be said to be ’finished excisa- ble goods’. Under rule 56A, the High Court was of the  view, if  the material is used in the manufacture of any  finished excisable  goods, and during the course of  manufacture  any non-excisable by-product emerged, then it could not be  said that the raw material was not used in the manufacture of the finished excisable goods.     In  our  opinion, the same analogy and  reasoning  would apply  when  the  methanoi arises as a  result  of  chemical reaction  and  not  as a result of any  by-product.  In  the instant  case, the methanoi was nonexcisable.  Just  because methanoi  arises as a part and parcel of the chemical  reac- tion  during the process of manufacture, it cannot  be  said that  methanoi was not used in the manufacture of  polyester fibre.  The intention of the Government is evident  further- more, from the trade notice of Pune Collectorate No.  31/81. The  Tribunal, therefore, should have taken into  considera- tion the trade notice for interpretation of exemption  noti- fication No. 201/79, which was para materia with rule 56A.     In  the  aforesaid  view of the matter, we  are  of  the opinion  that  the Tribunal was in error in  coming  to  the conclusion  it did. The appeals are, therefore, allowed  and the order and the judgment of the Tribunal are set aside and the  combined  orders of the Collector (Appeals)  Nos.  284- 286/CE/MT/83 dated 15th December, 1983 are restored. In  the facts  and the circumstances of the case, there will  be  no order as to costs. R.S.S.                                               Appeals allowed. 275