Manufacture of aluminium circles from duty-paid sheets remains dutiable, with recovery limited by excise limitation and no retrospective set-off.

Cutting duty-paid aluminium sheets into aluminium circles was treated as manufacture because the tariff entry itself regarded circles as manufactured goods; the circles were therefore dutiable, subject to any separately available exemption or set-off. The excise demand was also confined to the one-year period preceding the show cause notice, since the matter proceeded on a shared mistaken interpretation and departmental knowledge, so the balance of the demand was barred by limitation. Retrospective relief under Rule 56A was not granted, as no binding direction required it and the conditions for invoking the proviso were not established on the facts.

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Issues: (i) Whether cutting aluminium circles out of duty-paid aluminium sheets constituted manufacture and attracted central excise duty under the relevant tariff entry; (ii) whether the demand was confined by limitation to one year under the applicable excise rules; (iii) whether the appellants were entitled to retrospective benefit of Rule 56A set-off or exemption in the facts of the case.

Issue (i): Whether cutting aluminium circles out of duty-paid aluminium sheets constituted manufacture and attracted central excise duty under the relevant tariff entry.

Analysis: The tariff item itself described circles as manufactured goods, and the controlling principle was that where the legislature expressly treats a process as manufacture in relation to a specified product, conversion of one excisable form into another covered form is manufacture for excise purposes. The Court applied the Supreme Court's ratio that circles produced from duty-paid material may still be treated as manufactured goods, and rejected the argument that no duty could arise merely because both sheets and circles fell within the same sub-item. It further held that the existence of a possible set-off or exemption mechanism does not negate the primary duty liability.

Conclusion: The conversion of duty-paid aluminium sheets into aluminium circles amounted to manufacture and the circles were dutiable, subject to any available exemption or set-off.

Issue (ii): Whether the demand was confined by limitation to one year under the applicable excise rules.

Analysis: The proceedings were treated as arising from a mistaken interpretation shared by the department and the assessee, with the manufacture being undertaken with departmental knowledge and no penalty having been imposed. On that basis, the Court held that the applicable limitation was the one-year period under the excise recovery provisions then governing self-removal cases, rather than an unrestricted demand period. Consequently, the demand could not survive beyond one year preceding the show cause notice.

Conclusion: The demand was limited to the period of one year prior to the show cause notice and the balance of the demand was barred.

Issue (iii): Whether the appellants were entitled to retrospective benefit of Rule 56A set-off or exemption in the facts of the case.

Analysis: The Court found no binding mandate in the earlier departmental order requiring retrospective grant of Rule 56A relief. It also held that the conditions for invoking the proviso to Rule 56A were not satisfied on the facts, and that interference with the Collector's discretionary refusal to grant that benefit was unwarranted in the absence of perversity or manifest error. The plea of retrospective set-off therefore failed, though the Court noted that the appellants could pursue any statutory remedy that might be available elsewhere.

Conclusion: No retrospective benefit of Rule 56A was directed to be granted in this appeal.

Final Conclusion: The duty demand survived only to the extent of the one-year period immediately preceding the notice, while the remainder of the demand was set aside and the appeal succeeded only in part.

Ratio Decidendi: Where a tariff entry itself treats a product as manufacture, conversion of one duty-paid excisable form into another covered form remains manufacture and dutiable, but recovery is still subject to the applicable limitation period and any independently established exemption or set-off.

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