Retrospective excise rule validation upheld for captive consumption, allowing cess on goods used within the manufacturing process.

Retrospective amendment of Rules 9 and 49 by Section 51 of the Finance Act, 1982 validly redefined "removal" so that excisable goods consumed in a continuous manufacturing process are deemed removed immediately before such consumption. Parliament had plenary power to enact such retrospective legislation within constitutional limits, and no legal infirmity attached to the validation provision. As a result, the cess and excise collection framework applied to captive consumption within the factory, and jute twine and jute yarn used in manufacture could lawfully bear cess under Section 9 of the Industries (Development and Regulation) Act, 1951. The pre-amendment understanding of removal no longer governed the levy.

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Issues: Whether cess under Section 9 of the Industries (Development and Regulation) Act, 1951 could be levied on jute twine and jute yarn consumed in the course of manufacture, and whether the retrospective amendment of Rules 9 and 49 of the Central Excise Rules, 1944 by Section 51 of the Finance Act, 1982 was valid.

Analysis: The amended Rules 9 and 49, as given retrospective effect from 1944 by Section 51 of the Finance Act, 1982, altered the concept of removal so that excisable goods consumed or utilised in a continuous manufacturing process are deemed to have been removed immediately before such consumption or utilisation. The Court held that Parliament possessed plenary power to enact retrospective legislation within constitutional limits and that no constitutional or legal infirmity attached to Section 51. Once the retrospective amendments were given effect, the procedural provisions governing collection of cess and excise duty applied to captive consumption within the factory, and the earlier view based on the pre-amendment concept of removal could no longer govern.

Conclusion: The cess was lawfully imposable on jute twine and jute yarn consumed in the manufacturing process, and the challenge to the retrospective validation failed.

Final Conclusion: The writ petition failed because the retrospective amendments validly brought captive consumption within the charging and collection framework, thereby supporting the cess demand.

Ratio Decidendi: Where the legislature validly gives retrospective effect to amended excise rules by a validating enactment, goods consumed in a continuous manufacturing process are deemed to have been removed for the purpose of levy, and cess or duty may lawfully be imposed on such captive consumption.

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