Prospective amendment to exemption notification and Rule 57H Modvat credit both supported the assessee's eligibility.

Lay flat tubings captively consumed in making plastic cap covers were treated as exempt under Notification No. 16/97 for the period before 3-12-97, and the later amendment was applied prospectively only. Duty could not therefore be confirmed for the earlier period. On Modvat, credit under Rule 57H was held admissible on duty-paid inputs lying in stock, under process, and contained in finished goods, because the claim had already been examined and the Revenue produced no evidence to displace that finding. The commentary states that exemption amendments are prospective unless expressly retrospective, and credit cannot be denied without an evidentiary basis.

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Issues: (i) whether lay flat tubings captively consumed in the manufacture of plastic cap covers were liable to duty for the period prior to 3-12-97 in view of Notification No. 16/97 and its amendment, and (ii) whether Modvat credit under Rule 57H was admissible on duty paid input lying in stock, under process and contained in the final product.

Issue (i): whether lay flat tubings captively consumed in the manufacture of plastic cap covers were liable to duty for the period prior to 3-12-97 in view of Notification No. 16/97 and its amendment.

Analysis: The relevant period was divided into the time before and after 3-12-97. The exemption granted by Notification No. 16/97 covered the captively consumed lay flat tubings, and the subsequent amendment was held to operate only prospectively from 3-12-97. In view of the settled position on identical facts, duty could not be confirmed for the earlier period.

Conclusion: The demand of duty for the period prior to 3-12-97 was not sustainable.

Issue (ii): whether Modvat credit under Rule 57H was admissible on duty paid input lying in stock, under process and contained in the final product.

Analysis: The assessee had opted to pay duty from 3-12-97 and sought Modvat credit under Rule 57H. The original adjudicating authority had already examined the claim and found no substantial basis in the show cause notice to deny credit, and the Revenue did not produce evidence to dislodge that finding. The credit claim was therefore not shown to be inadmissible.

Conclusion: Modvat credit under Rule 57H was admissible.

Final Conclusion: The assessee succeeded on both the exemption and credit issues, and the Revenue's challenge failed in full.

Ratio Decidendi: An amendment to an exemption notification operates prospectively unless expressly made retrospective, and Modvat credit cannot be denied without evidentiary basis where the eligibility has already been examined and allowed under the applicable rule.

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