Extended limitation in excise demands needs proof of suppression; normal-period duty was recomputed on a cum-duty basis.

Extended limitation under the proviso to Section 11A(1) of the Central Excise Act requires proof of suppression or wilful misstatement with intent to evade duty, and where departmental knowledge and prior classification proceedings negate such intent, the extended period and related penalties cannot be sustained. For the normal period, the product remains dutiable on the basis of the binding classification as tooth powder under heading 33.06, and the assessable value must be recomputed on a cum-duty basis where duty was not separately recovered. A refund claim for duty paid in the later period was not maintainable in view of the classification determination.

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Issues: (i) Whether the extended period of limitation under the proviso to Section 11A(1) of the Central Excise Act could be invoked and penalties under Rule 173Q(1) of the Central Excise Rules could be sustained; (ii) whether duty for the normal period was payable and, if so, whether the assessable value had to be worked out on a cum-duty basis; (iii) whether the refund claim for the later period was maintainable.

Issue (i): Whether the extended period of limitation under the proviso to Section 11A(1) of the Central Excise Act could be invoked and penalties under Rule 173Q(1) of the Central Excise Rules could be sustained.

Analysis: The classification dispute regarding Dant Manjan Lal had been known to the department for long, and the record showed earlier classification proceedings, approvals, and Board instructions specifically covering the product. In these circumstances, suppression of facts or a deliberate intent to evade duty could not be attributed to the appellants. The material relied upon by the department was insufficient to establish the conditions required for the extended period. Once the foundation for extended limitation failed, the penalties, which rested on the same allegations of deliberate contravention, could not survive.

Conclusion: The extended period was not invokable in the relevant appeals, and the penalties were not sustainable.

Issue (ii): Whether duty for the normal period was payable and, if so, whether the assessable value had to be worked out on a cum-duty basis.

Analysis: For the period within the normal limitation, the product remained dutiable in light of the binding classification holding it to be tooth powder under heading 33.06. The Court also accepted that the sale price had to be treated as cum-duty price for determining the assessable value, so the duty demand required recalculation on that basis.

Conclusion: Duty was payable for the normal period, but the quantum had to be recomputed on a cum-duty basis.

Issue (iii): Whether the refund claim for the later period was maintainable.

Analysis: The refund claim for duty paid during the later period could not be entertained because the product had already been held classifiable under heading 33.06 as tooth powder.

Conclusion: The refund claim was rejected.

Final Conclusion: The appeals were disposed of by setting aside the duty demand and penalties for the time-barred period, sustaining the demand only for the normal period with recalculation of duty on a cum-duty basis where applicable, and rejecting the refund appeal.

Ratio Decidendi: The extended period of limitation under Section 11A can be invoked only on proof of suppression or wilful misstatement with intent to evade duty, and where such ingredients are not established, the demand is confined to the normal period; for valuation, the transaction price is to be treated as cum-duty when duty has not been separately recovered.

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