Mens rea is essential for excise penalty and director liability when evasion findings are absent.

Penalty under Section 11AC of the Central Excise Act, 1944 depends on a recorded finding that duty non-payment, short-payment or suppression was accompanied by fraud, collusion, wilful misstatement, or other conduct with intent to evade duty. Prior payment of duty before the show cause notice does not by itself determine liability; the decisive requirement is proof of mens rea. On the same footing, personal penalty on a director requires a specific finding of knowledge, connivance, or deliberate participation in the alleged evasion. In the absence of such findings, both the statutory penalty and the director's penalty are not sustainable.

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Issues: (i) Whether penalty under Section 11AC of the Central Excise Act, 1944 could be imposed where duty had been paid before issuance of the show cause notice. (ii) Whether penalty on the Director was sustainable in the absence of a finding of mens rea or connivance.

Issue (i): Whether penalty under Section 11AC of the Central Excise Act, 1944 could be imposed where duty had been paid before issuance of the show cause notice.

Analysis: Section 11AC applies where non-levy, short-levy, short-payment or erroneous refund is occasioned by fraud, collusion, wilful misstatement, suppression of facts, or contravention of the Act or rules with intent to evade duty. The statutory scheme therefore requires the element of mens rea. Mere prior payment of duty does not by itself conclude the matter either way; the decisive question is whether the adjudicating authority recorded the requisite finding of intent to evade.

Conclusion: The penalty under Section 11AC was not sustainable because no finding of mens rea or intent to evade duty was recorded.

Issue (ii): Whether penalty on the Director was sustainable in the absence of a finding of mens rea or connivance.

Analysis: The Director's liability also depended on a finding that the shortage and alleged clandestine removal were attributable to his knowledge, connivance, or deliberate participation. The record did not contain a specific finding establishing such culpable intent, and the explanation of shortage by itself was insufficient to impose the personal penalty.

Conclusion: The penalty on the Director was not sustainable.

Final Conclusion: The appeal failed because the essential statutory ingredients for penalty were not established, and the orders deleting the penalties were maintained.

Ratio Decidendi: Penalty under Section 11AC of the Central Excise Act, 1944 can be sustained only where the adjudicating authority records a finding that the duty shortfall arose from fraud, suppression, or similar conduct with intent to evade duty, and the same requirement of culpable involvement governs personal penalty where imposed.

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