Input credit for catalyst chemicals and limitation without suppression in central excise matters

Sodium Silico Aluminate used as a molecular sieve in the manufacture of Linear Alkyl Benzene was treated as an input under Rule 57A because it was a consumable chemical used in the extraction stage and as a catalyst in relation to manufacture, rather than as plant, machinery, equipment, appliance or apparatus. The discussion also notes that where the availment of credit had already come to departmental notice in audit and the matter was closed after obtaining a chemical opinion, a show cause notice issued nearly three years later did not establish suppression or wilful misstatement, so the extended limitation period was not available. Credit was therefore admissible and the demand failed on merits and limitation.

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Issues: (i) Whether Sodium Silico Aluminate, used as a Molecular Sieve in the manufacture of Linear Alkyl Benzene, qualified as an input under Rule 57A of the Central Excise Rules, 1944; (ii) Whether the demand was barred by limitation on account of absence of suppression.

Issue (i): Whether Sodium Silico Aluminate, used as a Molecular Sieve in the manufacture of Linear Alkyl Benzene, qualified as an input under Rule 57A of the Central Excise Rules, 1944

Analysis: The chemical was used in the extraction stage of the manufacturing process and played a substantive role as a catalyst in producing the final product. It was neither plant, machinery, equipment, appliance, nor apparatus, but a consumable chemical used in relation to manufacture. The prior decision in the assessee's own case on identical goods was also relied upon to hold that Molecular Sieve was eligible as input.

Conclusion: The chemical was an input within the meaning of Rule 57A and credit was admissible in favour of the assessee.

Issue (ii): Whether the demand was barred by limitation on account of absence of suppression

Analysis: The availment of credit had earlier come to the notice of the department in audit and the issue was closed after obtaining the chemical opinion. The show cause notice was issued nearly three years later, and on these facts the department could not establish suppression or wilful misstatement to justify the extended period.

Conclusion: The demand was barred by limitation and the extended period was not invocable, in favour of the assessee.

Final Conclusion: The credit on Molecular Sieve was held admissible and the demand failed both on merits and on limitation, resulting in setting aside of the impugned order and allowance of the appeal.

Ratio Decidendi: A chemical used as a catalyst in a manufacturing process is an input when it is employed in relation to manufacture and is not part of plant or machinery, and the extended limitation period cannot be invoked absent suppression of material facts.

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