Clandestine excise valuation permits comparable-value reworking; extended limitation and penalty upheld, but pre-provision interest disallowed.

Clandestine cash collections outside invoices justified excise valuation on comparable assessable values rather than a direct addition of the undisclosed cash to invoice price, because the collections varied and full records were unavailable. The short levy had to be recomputed on a more accurate comparable basis for the relevant period. Deliberate suppression of part of the sale price also warranted application of the extended limitation period, so duty demand for the whole period was sustained. Penalty was upheld on proof of fraudulent suppression, but interest could not be charged for any period before the interest provision came into force, so the interest demand was set aside.

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Issues: (i) Whether the short levy of central excise duty arising from cash collections outside the invoices had to be reworked on the basis of the assessee's extra cash realization or by adopting the comparable value of another manufacturer. (ii) Whether the demand could be sustained for the entire period and the extended period of limitation applied. (iii) Whether penalty and interest were legally sustainable.

Issue (i): Whether the short levy of central excise duty arising from cash collections outside the invoices had to be reworked on the basis of the assessee's extra cash realization or by adopting the comparable value of another manufacturer.

Analysis: The cash collection outside the books stood proved. Since the rate and extent of such collection varied and complete records were not available for the whole period, direct addition of the cash amount to the invoice price was not workable. In such a situation, valuation could properly be made on comparable values under the valuation rules. The Court found that comparison with another unit's assessable value was permissible, but simple averaging of high and low prices could distort the result where prices fluctuated sharply. The short levy therefore had to be recomputed on the basis of actual comparable values, preferably with reference to SFFI for the corresponding period, and if unavailable, on the basis of Punjab Alkalies or weighted average for the relevant period.

Conclusion: The valuation method based on comparable value was upheld, but the amount of short levy was required to be recomputed on a more accurate comparable basis, to the assessee's partial benefit.

Issue (ii): Whether the demand could be sustained for the entire period and the extended period of limitation applied.

Analysis: The record established a deliberate and continuing suppression of part of the sale price through cash realization outside the books. That conduct justified invocation of the longer period for recovery of duty under the proviso to the limitation provision. The plea that extra collections occurred only during certain peak months was not accepted as a ground to restrict the demand period, since the reassessment on comparable value would itself account for period-wise differences in price.

Conclusion: The demand for duty for the entire period was sustained and the extended period was held applicable, against the assessee.

Issue (iii): Whether penalty and interest were legally sustainable.

Analysis: Penalty was held justified because the fraudulent suppression stood proved and the notice had invoked the penal rule, making the penalty legally supportable despite reliance in the order on a later statutory provision. Interest, however, could not be demanded for a period prior to the coming into force of the interest provision, and no legal basis existed for charging interest for that earlier period.

Conclusion: Penalty was upheld, but the interest demand was set aside, partly in favour of the assessee.

Final Conclusion: The appeal succeeded only to the limited extent of deletion of interest and recomputation of duty on a proper comparable-value basis, while the finding of duty evasion, the extended period demand, and the penalty were maintained.

Ratio Decidendi: Where clandestine realisation of part of the price is proved but complete records for the entire period are unavailable, excise valuation may be based on comparable assessable values under the valuation rules, and penalty for deliberate suppression can be sustained even if a later penal provision is inapplicable, though interest cannot be levied for a period before the governing interest provision came into force.

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