Suppression, scrap duty, and penalty limits shaped the dispute, with extended limitation upheld and retrospective penalty application rejected.

Suppression of material facts justified invocation of the extended limitation period where the assessee failed to disclose complete scrap-generation details, did not file the relevant returns or declaration, and maintained separate clearance invoices, so the demand was not time-barred. Metal waste and scrap arising from mechanical working of virgin metal was held dutiable and correctly classifiable under Chapter 72 on the basis of workshop machinery and the nature of the operations performed. Penalty remained sustainable in principle, but Section 11AC could not apply retrospectively to the earlier part of the period, so the combined penalty was reduced.

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Issues: (i) whether the extended period of limitation under the proviso to Section 11A was invocable on the facts; (ii) whether the waste and scrap cleared by the assessee were dutiable as arising from mechanical working of virgin metal and were correctly classified under Chapter 72; and (iii) whether penalty under Section 11AC could be sustained for the entire disputed period and, if not, to what extent it required reduction.

Issue (i): whether the extended period of limitation under the proviso to Section 11A was invocable on the facts.

Analysis: The assessee had not furnished the complete details sought by the department regarding the generation and clearance of scrap, had not filed the relevant returns or declaration, and had maintained separate invoices for clearance of goods. On the evidence available, the department was held not to have had full knowledge of the activity, and the omission was treated as suppression of material facts with intent to evade duty.

Conclusion: The extended period of limitation was rightly invoked, against the assessee.

Issue (ii): whether the waste and scrap cleared by the assessee were dutiable as arising from mechanical working of virgin metal and were correctly classified under Chapter 72.

Analysis: The statements of the assessee's senior officers showed the existence of workshops with machinery used for turning, grinding, drilling, welding, cutting and other mechanical operations. The record supported the finding that the scrap arose from mechanical working of virgin metals and not merely from wear and tear or condemned parts. Under the relevant chapter note, metal waste and scrap arising from manufacture or mechanical working were liable to duty, and the classification adopted by the department was upheld.

Conclusion: The scrap was dutiable and the classification was sustained, against the assessee.

Issue (iii): whether penalty under Section 11AC could be sustained for the entire disputed period and, if not, to what extent it required reduction.

Analysis: Section 11AC was held to operate only prospectively from its introduction, so it could not apply to the earlier part of the dispute period. At the same time, penalty was maintainable for the contravention established on the record under the other invoked penal provisions. In the circumstances, the originally imposed combined penalty was considered excessive and was reduced.

Conclusion: Penalty was sustainable in principle, but it was reduced to Rs. 15,00,000.

Final Conclusion: The duty demand and findings on limitation and dutiability were affirmed, while the penalty was substantially reduced; the appeal succeeded only to that limited extent.

Ratio Decidendi: Where an assessee fails to disclose complete scrap-generation details and maintains separate clearance records, suppression and intent to evade duty may justify the extended limitation period; further, metal scrap arising from mechanical working of virgin metal is dutiable, while Section 11AC cannot be applied retrospectively to periods before its commencement.

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