Pre-notice payment of excise duty does not automatically erase interest liability or penalty exposure under the statutory scheme.

Pre-notice payment of short-paid excise duty does not, by itself, extinguish liability to interest under Section 11AB, because interest is a compensatory civil levy that remains payable on short payment even where duty is deposited before the show cause notice. The text also states that penalty under Section 11AC is attracted where short payment results from fraud, collusion, wilful misstatement, suppression of facts, or similar intent to evade duty, and pre-notice payment alone does not remove that exposure if those statutory ingredients exist. The operative distinction drawn is between compensatory interest and penal liability, both governed by the statutory conditions in the Central Excise Act.

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Issues: (i) Whether penalty under Section 11AC of the Central Excise Act, 1944 could be avoided merely because the duty was paid before issuance of show cause notice. (ii) Whether interest under Section 11AB of the Central Excise Act, 1944 was not payable because the short-paid duty was deposited before issuance of show cause notice.

Issue (i): Whether penalty under Section 11AC of the Central Excise Act, 1944 could be avoided merely because the duty was paid before issuance of show cause notice.

Analysis: Section 11AC was treated as a penal provision attracted where short payment was due to fraud, collusion, wilful misstatement, suppression of facts, or contravention with intent to evade duty. The payment of duty before show cause notice, by itself, was held not to extinguish liability where the statutory ingredients for penalty existed. The Court also noted that once the factual finding of absence or presence of such culpable conduct was accepted, the penalty issue had to be tested on that basis, not merely on the timing of payment.

Conclusion: The penalty under Section 11AC was not set aside on the ground of pre-notice payment; the assessee succeeded on this issue, and the penalty remained not imposable on the facts found.

Issue (ii): Whether interest under Section 11AB of the Central Excise Act, 1944 was not payable because the short-paid duty was deposited before issuance of show cause notice.

Analysis: Interest under Section 11AB was held to be a compensatory civil liability distinct from penalty. The statutory language made interest payable where duty had not been levied, paid, short levied, or short paid, and the facility under Section 11A(2B) did not wipe out that liability. The Court read Section 11AB with Section 11A(2B) and Explanation (2) and concluded that pre-notice payment did not absolve the assessee from interest on the short-paid amount.

Conclusion: Interest under Section 11AB was payable notwithstanding payment of duty before issuance of show cause notice, and the Revenue succeeded on this issue.

Final Conclusion: The appeal succeeded only in relation to interest and failed in relation to penalty, resulting in restoration of the original order to the extent it imposed interest under Section 11AB while leaving the penalty relief intact.

Ratio Decidendi: Pre-notice payment of short-paid excise duty does not, by itself, extinguish statutory interest liability under Section 11AB, and it also does not negate penalty under Section 11AC where the statutory ingredients for penalty are otherwise established.

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