Rule 57CC cannot apply to spent sulphuric acid that arises only as waste during manufacture of acid slurry.

Spent sulphuric acid arising inevitably as waste or a by-product during manufacture of acid slurry was not a separate final product alongside dutiable goods, so the conditions for treating it as a second category final product under Rule 57CC were not satisfied. As the rule applies only where a manufacturer produces both dutiable and exempt or nil-rated final products and common inputs cannot be separately identified, the 8% amount on clearance could not be demanded. Denial of CENVAT credit with penalty on its clearance was therefore unwarranted.

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Issues: Whether spent sulphuric acid generated in the course of manufacture of acid slurry was a second category final product so as to attract payment of 8% of its price under Rule 57CC of the Central Excise Rules, 1944, and whether CENVAT credit could be denied with penalty on its clearance.

Analysis: Rule 57CC applies where a manufacturer produces dutiable final products as well as exempt or nil-rated final products, and the inputs used for both categories cannot be separately identified or accounted for. The spent sulphuric acid arose inevitably as waste or a by-product during the manufacture of acid slurry. It was not manufactured as a separate final product along with acid slurry, and the statutory condition for treating it as a second category final product was therefore not satisfied. In such a situation, the mechanism under Rule 57CC, including the 8% amount, could not be invoked.

Conclusion: The 8% demand under Rule 57CC was not leviable on spent sulphuric acid, and denial of CENVAT credit with penalty was unwarranted.

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