Modvat refund and delayed interest: inadmissible credit cannot bar refund if not timely disallowed, and interest follows statutory delay rules.

Refund of duty paid through Modvat credit cannot be denied later on the ground that the input credit was allegedly inadmissible because the final products were exempt, where the department did not timely disallow and recover the credit under the governing scheme. Once the refund issue has attained finality and the duty payment is found unsustainable, the duty paid through credit remains refundable unless the credit was separately challenged in proper proceedings. On delayed refunds, interest runs on the full refundable amount after the statutory three-month period from the date of the refund application, and the appellate order favourable to the assessee governs the computation.

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Issues: (i) Whether the refund of duty paid through RG 23A credit could be denied on the ground that the input credit was not admissible because the final products were exempt. (ii) Whether interest on the refund was payable on the entire amount from the date of the original refund claim.

Issue (i): Whether the refund of duty paid through RG 23A credit could be denied on the ground that the input credit was not admissible because the final products were exempt.

Analysis: The dispute on refund had already attained finality on the questions of limitation and unjust enrichment. The department had not taken timely proceedings to disallow and recover the credit under the then applicable Modvat regime. The credit was taken when the final products were treated as dutiable and, on the facts, the refund could not be denied at the later stage by reopening the settled position on a ground not raised in the original round. The cited authorities supported the principle that where duty payment is held to be unsustainable, the duty paid through credit is also refundable unless the credit is lawfully and timely disallowed in separate proceedings.

Conclusion: The refund could not be restricted on the ground of inadmissible Modvat credit, and the assessee was entitled to the refund.

Issue (ii): Whether interest on the refund was payable on the entire amount from the date of the original refund claim.

Analysis: Under the statutory scheme governing interest on delayed refunds, once refund becomes due pursuant to an appellate determination, interest runs after the expiry of three months from the date of the refund application. The appellate order favourable to the assessee is treated as the order for purposes of computing delayed refund interest, and the delay is to be reckoned on the full amount found refundable.

Conclusion: Interest was payable on the entire refundable amount for the delayed period in accordance with the statutory provision.

Final Conclusion: The appeal succeeded, and the refund as well as consequential interest were granted to the assessee.

Ratio Decidendi: Where duty paid through Modvat credit becomes refundable after the assessment position is finally settled in favour of the assessee, the refund cannot be denied on a subsequently raised credit-admissibility objection unless the credit is separately and timely disallowed under the governing Modvat provisions; delayed refund interest follows from the statutory three-month period after the refund application.

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