Cenvat limitation and excisability of spent solvents: disclosed returns barred extended time, and incidental residues were not dutiable.

Cenvat credit reversal on inputs used exclusively for exempted final products was held time-barred because the assessee disclosed the exempted clearances and related reversals in periodic returns, leaving no basis for extended limitation under Section 11A absent suppression. Duty on spent solvents and chemicals arising incidentally during bulk drug manufacture was also held unsustainable, as they were not treated as manufactured excisable goods and prior Tribunal reasoning applied. The Revenue therefore failed on both issues, and the setting aside of the demands and penalties was upheld.

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Issues: (i) Whether the demand of reversal of Cenvat credit taken on inputs used exclusively in the manufacture of exempted final products was barred by limitation. (ii) Whether spent solvents and chemicals emerging during the manufacture of bulk drugs were liable to duty as excisable goods.

Issue (i): Whether the demand of reversal of Cenvat credit taken on inputs used exclusively in the manufacture of exempted final products was barred by limitation.

Analysis: The credit was held to be inadmissible on merits because the inputs were used in exempted final products. However, the demand was raised beyond the normal period under Section 11A of the Central Excise Act, 1944. The assessee had disclosed the exempted clearances and the reversal of 8% in the periodical returns, so there was no suppression or deliberate non-disclosure warranting invocation of the extended period.

Conclusion: The demand was rightly held to be time-barred and the finding was in favour of the assessee.

Issue (ii): Whether spent solvents and chemicals emerging during the manufacture of bulk drugs were liable to duty as excisable goods.

Analysis: The spent solvents and chemicals arose incidentally during the manufacture of bulk drugs and were not treated as products manufactured in the factory for excise purposes. The issue was already covered by prior Tribunal decisions and the same reasoning applied to the present facts.

Conclusion: The duty demand on spent solvents and chemicals was not sustainable and was in favour of the assessee.

Final Conclusion: The Revenue failed on both issues, and the order setting aside the demands and penalties was upheld.

Ratio Decidendi: Where the assessee has disclosed the relevant clearances in returns, the extended period under Section 11A of the Central Excise Act, 1944 cannot be invoked absent suppression, and incidental spent solvents arising in manufacture are not liable to duty as manufactured excisable goods.

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