Excise limitation and tariff classification: extended period needs suppression, liquid paraffin fits Item 8, and a new levy needs proper notice.

Extended limitation for excise recovery requires proof of fraud, collusion, wilful misstatement or suppression of facts with intent to evade duty; in the absence of such proof, the demand can be sustained only within the normal period. Liquid paraffin was held to satisfy the tariff characteristics of Tariff Item 8 as a mineral oil with the prescribed flash point and flame height, and it was not moved to the residuary Item 68 merely because it was processed from spindle oil. A further demand under Tariff Item 14E after packing and labelling failed because the assessee had not been put on notice of a two-stage levy, so that demand was unsustainable.

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Issues: (i) whether the extended period of limitation under Section 11A could be invoked for the first demand; (ii) whether the liquid paraffin was classifiable under Tariff Item 8 or the residuary Tariff Item 68; and (iii) whether the further demand based on Tariff Item 14E after packing and labelling could be sustained.

Issue (i): whether the extended period of limitation under Section 11A could be invoked for the first demand.

Analysis: The record did not establish fraud, collusion, wilful misstatement, or suppression of facts with intent to evade duty. The demand sought to be sustained for the earlier period therefore could not travel beyond the normal period of limitation.

Conclusion: The invocation of the extended period was invalid, and the earlier demand was not sustainable.

Issue (ii): whether the liquid paraffin was classifiable under Tariff Item 8 or the residuary Tariff Item 68.

Analysis: The product satisfied the tariff description in Item 8, being a mineral oil with the prescribed flash point and flame height. The exclusions in the explanatory notes did not take it outside Item 8, because the exclusion was directed to lubricating oils and the product was not shown to be such an oil. The contention that it was outside Item 8 merely because it was processed from spindle oil was rejected.

Conclusion: The liquid paraffin was correctly classifiable under Tariff Item 8 and not under Tariff Item 68.

Issue (iii): whether the further demand based on Tariff Item 14E after packing and labelling could be sustained.

Analysis: The assessee had not been put on notice that duty was being demanded at two stages, namely on manufacture and again on packing and labelling. The demand under Tariff Item 14E proceeded on a basis not covered by the original notices and could not stand.

Conclusion: The demand founded on Tariff Item 14E was unsustainable.

Final Conclusion: The duty demand was upheld only to the extent attributable to the period and classification accepted under Item 8, while the balance of the demand was set aside, leaving the assessee with partial relief.

Ratio Decidendi: The extended period for excise recovery requires proof of fraud, collusion, wilful misstatement, or suppression of facts with intent to evade duty, and a product satisfying the tariff characteristics of a specific item cannot be shifted to a residuary or later-stage levy without a valid basis in the notice and the statutory scheme.

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