Extended limitation period requires proof of fraud or suppression; absent such proof, extended limitation cannot be invoked.

Proviso to Section 73(1) of the Finance Act, 1994 permits extended limitation only where there is evidence of fraud, collusion, wilful misstatement or suppression of facts with intent to evade tax; routine detection by departmental audit or operation under self-assessment does not satisfy that threshold. On the facts, the alleged wrongful CENVAT credit was detected in audit but there is no specific allegation or material proving deliberate concealment or intent to evade by the registered appellant. Therefore the proviso is not invocable, the demand is time barred, and the appeal is allowed for the assessee.

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Issues: (i) Whether the proviso to Section 73(1) of the Finance Act, 1994 permitting invocation of the extended period of limitation can be invoked to demand CENVAT credit alleged to have been wrongly availed where the alleged irregularity was detected during audit and there is no specific allegation or evidence of fraud, collusion, wilful misstatement or suppression of facts with intent to evade tax.

Analysis: The issue requires examination of the statutory threshold for invoking the extended period under the proviso to Section 73(1) of the Finance Act, 1994 and whether detection of the alleged wrongful availment during audit, or operation under self-assessment, satisfies that threshold in the absence of specific factual allegations of fraud, collusion, wilful misstatement or suppression with intent to evade tax. The legal framework includes Section 73(1) (proviso) and related provisions, the Cenvat Credit Rules, 2004 (including Rule 9(6) and Rule 15(3)), and the scheme of Sections 72 and 78 of the Finance Act, 1994 concerning scrutiny, assessment and penal consequences. Precedents establish that invocation of the extended period demands proof of one of the specified aggravating circumstances (fraud, collusion, wilful misstatement or suppression with intent to evade) and that routine detection by audit or mere existence of self-assessment does not by itself demonstrate such conduct. The returns format and filing practice (ST-3 returns) and the statutory role of the department in scrutinising returns and making best judgment assessments are relevant to determine whether information was suppressed. In the present facts, the show cause notice and impugned order record detection by audit but do not allege or establish any positive act of suppression, fraud or wilful misstatement by the appellant; the appellant was a state instrumentality, registered and filing ST-3 returns, and there is no material showing deliberate concealment with intent to evade tax.

Conclusion: The proviso to Section 73(1) of the Finance Act, 1994 cannot be invoked in the present case; the demand is time barred and liable to be rejected. The appeal is allowed in favour of the assessee.

Ratio Decidendi: The extended period of limitation under the proviso to Section 73(1) of the Finance Act, 1994 is invocable only where there is evidence of fraud, collusion, wilful misstatement or suppression of facts with intent to evade tax; detection of an alleged irregularity solely by departmental audit or operation under self-assessment, without specific proof of such conduct, does not justify invoking the extended period.

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