Concessional excise exemption cannot be denied for later detection or Rule 56A non-compliance absent an express condition.

A concessional excise rate under an exemption notification could not be denied merely because the manufacturing activity was not disclosed to the department, since the notification did not make prior disclosure a condition of the lower rate. Non-disclosure might affect the period for which duty could be demanded, but it did not change the applicable rate once the demand period was determined. The related set-off or duty reduction also could not be refused for non-compliance with Rule 56A, because the notification itself did not require that procedure as a prerequisite for the benefit. The exemption benefit and set-off were therefore upheld.

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Issues: (i) Whether the assessee was entitled to the concessional rate under the exemption notification despite non-disclosure of the manufacturing activity to the department; and (ii) whether the benefit of set-off or reduction in duty under the notification could be denied for non-compliance with the Rule 56A procedure.

Issue (i): Whether the assessee was entitled to the concessional rate under the exemption notification despite non-disclosure of the manufacturing activity to the department.

Analysis: The concessional rate under the exemption notification was not made conditional upon prior disclosure of manufacturing activity to the department. The rate of duty was distinct from the questions of licensing or classification-list compliance. Non-disclosure could affect the period for which duty could be demanded, but it did not alter the effective rate applicable once the demand period was determined. No legal basis was shown for denying the exempted rate merely because the activity had been detected later.

Conclusion: The assessee was entitled to the concessional rate under the notification.

Issue (ii): Whether the benefit of set-off or reduction in duty under the notification could be denied for non-compliance with the Rule 56A procedure.

Analysis: The notification itself did not impose any mandatory condition that the set-off or reduction in duty would be available only if the Rule 56A procedure was followed. In the absence of such a condition in the notification, the department could not insist upon compliance with that procedure as a prerequisite for the benefit.

Conclusion: The assessee could not be denied the set-off or reduction in duty on the ground of non-compliance with Rule 56A.

Final Conclusion: The exemption benefit and the related set-off were upheld in full, and the departmental challenge failed.

Ratio Decidendi: A concessional excise rate or set-off granted by an exemption notification cannot be denied on grounds not expressly imposed by the notification, and procedural non-disclosure does not by itself defeat an otherwise applicable exemption.

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