Finality of adjudication bars retrospective MODVAT credit claims after a later eligibility ruling on inputs.

A later Tribunal decision allowing MODVAT credit on felts and wires did not revive an assessee's claim for the earlier closed period, because the prior denial of credit had already attained finality between the parties. The declaration under Rule 57G operated only from acknowledgment for availing credit and was not a claim for retrospective refund or past-period credit. The notice under Rule 57I was based on wrongful availment, and the settled principle of finality barred reopening the concluded adjudication. Any refund or recovery had to be pursued through the statutory mechanism, not by treating the later ruling as retrospectively altering the earlier dispute.

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Issues: Whether the subsequent order of the Tribunal allowing MODVAT credit on felts and wires entitled the assessee to claim such credit for the earlier period 29.07.1987 to 09.07.1992, and whether the credit taken in February 1997 was liable to be reversed as wrongly availed.

Analysis: The declaration filed under Rule 57G of the Central Excise Rules related to availing credit from the date of acknowledgment and did not amount to a claim for past-period refund or credit for the earlier closed period. The earlier denial of MODVAT credit for 29.07.1987 to 09.07.1992 had already attained finality between the parties, and the later Tribunal decision on eligibility of felts and wires as inputs could not reopen that concluded controversy. The notice issued under Rule 57I of the Central Excise Rules proceeded on wrongful availment of credit, and the settled principle of finality barred reopening of an adjudication that had become final. Any refund or recovery had to be pursued only under the statutory mechanism, not by treating the later decision as retrospectively crystallising a concluded inter partes dispute.

Conclusion: The subsequent Tribunal order did not confer entitlement on the assessee for MODVAT credit for the earlier period, and the reversal of credit taken in 1997 was upheld.

Final Conclusion: The appeal failed on merits because the earlier denial of credit had attained finality and the later decision could not disturb that concluded position between the parties.

Ratio Decidendi: A later decision declaring a legal position does not reopen or undo a prior inter partes adjudication that has already attained finality; any recovery or refund must be pursued under the governing statutory procedure.

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