Extended limitation under Central Excise law needs proof of suppression or intent; bona fide duty dispute is insufficient.

Invocation of the extended limitation period under section 11A of the Central Excise Act required proof of fraud, collusion, wilful misstatement, suppression of facts, or similar conduct with intent to evade duty. Where the assessee had sought departmental clarification and the duty liability on oxygen lancing pipes remained genuinely debatable, mere non-payment in a contested situation did not amount to suppression or wilful misstatement. The extended period was therefore wrongly invoked, and the demand and penalty could not survive on that basis; the Tribunal's orders were set aside.

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Issues: Whether the extended period of limitation under section 11A of the Central Excise Act, 1944 could be invoked for the demand raised on the manufacture of oxygen lancing pipes.

Analysis: The controversy turned on whether the non-payment of duty was attributable to fraud, collusion, wilful misstatement, suppression of facts, or contravention with intent to evade duty. The material on record showed that the assessee itself had approached the department for clarification, and there was contemporaneous uncertainty on the duty liability of oxygen lancing pipes. In such a situation, and in the absence of any positive act showing suppression or wilful misstatement, the extraordinary period could not be invoked. Mere doubt regarding dutiability or failure to pay duty in a debatable situation was insufficient to attract the extended limitation.

Conclusion: The extended period of limitation was wrongly invoked and the issue was decided in favour of the assessee and against the Revenue.

Final Conclusion: The demand and penalty could not survive on the basis of the extended limitation, and the orders of the Tribunal were set aside.

Ratio Decidendi: Invocation of the extended period under section 11A requires proof of a positive act of fraud, suppression, wilful misstatement, or similar culpable conduct with intent to evade duty; a bona fide dispute as to dutiability does not suffice.

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