Retrospective exemption notification upheld for duty, while penalty, interest, and cum-duty valuation were withdrawn for fresh recomputation.

An exemption notification expressly operating retrospectively was applied to the relevant clearances, so the duty demand for the short-paid period was sustained and the objection to retrospective application failed. However, as the record did not establish suppression of facts, penalty and interest were set aside. The cum-duty benefit was also held to require fresh recomputation by the Original Authority, and that valuation aspect was remanded for reworking.

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Issues: (i) Whether the assessee was liable to duty by applying the exemption notification retrospectively; (ii) whether penalty and interest were sustainable and whether cum-duty benefit was admissible.

Issue (i): Whether the assessee was liable to duty by applying the exemption notification retrospectively.

Analysis: The notification expressly provided for retrospective application. The dispute was therefore not about the effective date of publication but about the applicability of the notification for the relevant clearances. On that basis, the authorities were justified in applying the notification to the short-paid period and restricting the exemption benefit.

Conclusion: The plea against retrospective application of the notification was rejected and duty demand on that basis was sustained.

Issue (ii): Whether penalty and interest were sustainable and whether cum-duty benefit was admissible.

Analysis: The record did not establish suppression of facts for the purpose of penalty and interest. The cited decisions supported the assessee's stand on these aspects. Cum-duty benefit was also found to require recomputation by the Original Authority.

Conclusion: Penalty and interest were set aside, and the claim for cum-duty benefit was remanded for fresh working by the Original Authority.

Final Conclusion: The duty demand was upheld on the retrospective notification issue, but the assessee obtained relief on penalty, interest, and reassessment on the cum-duty basis.

Ratio Decidendi: Where a notification itself expressly operates retrospectively, the assessee cannot resist its application for the relevant period; in the absence of suppression of facts, penalty and interest are not sustainable, and cum-duty valuation must be worked out accordingly.

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