Extended limitation and penalty under excise rules need proof of suppression or intent to evade duty; remelting can amount to manufacture.

Extended limitation under the proviso to Rule 10 required specific pleading and proof of fraud, wilful misstatement, suppression of facts, or intent to evade duty; absent that foundation, the ordinary six-month limitation applied and the demand was time-barred. Penalty under Rule 173Q likewise depended on contravention with intent to evade duty, so mere breach was insufficient without mens rea. Repeal of Rule 10 and its replacement by Section 11A did not abate pending proceedings, as the later provision was treated as a continuation of the same liability-enforcement mechanism. A process that remelted rejected pistons into fresh pistons amounted to manufacture, so it fell outside the limited protection for remaking or repairs under Rule 173H.

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Issues: (i) Whether the proviso to Rule 10 of the Central Excise Rules, 1944 applied to the show-cause notice and, if not, whether the demand was barred by limitation; (ii) Whether the levy of penalty under Rule 173Q of the Central Excise Rules, 1944 was sustainable; (iii) Whether the show-cause notice abated on the repeal of Rule 10 and its re-enactment as Section 11A of the Central Excises and Salt Act, 1944 without a saving clause; and (iv) Whether the process undertaken amounted to manufacture so as to fall outside Rule 173H of the Central Excise Rules, 1944.

Issue (i): Whether the proviso to Rule 10 of the Central Excise Rules, 1944 applied to the show-cause notice and, if not, whether the demand was barred by limitation.

Analysis: The notice did not plead or establish fraud, wilful misstatement, suppression of facts, or contravention with intent to evade duty. The record showed prior discussion of the procedure with the excise authorities and approval of the course adopted, which negatived clandestine removal or concealment. The extended five-year period under the proviso was therefore unavailable, and the ordinary six-month period governed the demand.

Conclusion: The proviso to Rule 10 was inapplicable and the demand was barred by limitation, in favour of the assessee.

Issue (ii): Whether the levy of penalty under Rule 173Q of the Central Excise Rules, 1944 was sustainable.

Analysis: Penalty under Rule 173Q required contravention of the rules with intent to evade duty. The allegations in the notice and the evidence did not disclose such intent. Mere contravention, even if assumed, was insufficient without the requisite mens rea for penalty under that rule.

Conclusion: The penalty under Rule 173Q was not sustainable, in favour of the assessee.

Issue (iii): Whether the show-cause notice abated on the repeal of Rule 10 and its re-enactment as Section 11A of the Central Excises and Salt Act, 1944 without a saving clause.

Analysis: Two conflicting High Court views were considered. The reasoning accepting continuity between the omitted rule and the substituted statutory provision was preferred. The later enactment was treated as a continuation of the same liability-enforcement mechanism rather than a fresh and independent proceeding that stood extinguished by omission.

Conclusion: The proceedings did not abate on repeal of Rule 10, against the assessee.

Issue (iv): Whether the process undertaken amounted to manufacture so as to fall outside Rule 173H of the Central Excise Rules, 1944.

Analysis: Rule 173H permits remaking and repairs, but not a process that in substance amounts to fresh manufacture. The rejected pistons had lost their character as usable pistons and, on the facts, the process of remelting and producing fresh pistons amounted to manufacture rather than mere remaking. Once the process required transgression of the rule itself, the protection of Rule 173H was unavailable.

Conclusion: The process amounted to manufacture and did not fall within Rule 173H, against the assessee.

Final Conclusion: The appeal succeeded because the demand was time-barred and the penalty could not stand, even though the process was held to be manufacture and outside Rule 173H.

Ratio Decidendi: A demand under the extended limitation proviso and a penalty for contravention of excise rules require specific pleading and proof of fraud, suppression, or intent to evade duty; absent such foundation, the ordinary limitation applies, and a process that results in fresh manufacture cannot claim the protection of a rule confined to remaking or repairs.

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