Packing material and promissory estoppel in central excise: court treated wrapping paper as part of marketability and rejected reliance on assurances.

Wrapping paper used to pack paper reams or reels may be treated as part of the material required to make the goods marketable, so the excise treatment of the packing material turns on whether it forms part of the manufacturing process and the applicable exemption or proforma credit scheme. The Court also noted that promissory estoppel against the revenue requires proof of a specific assurance, actual reliance, and detrimental change of position; vague trade notices or departmental representations are insufficient. On the facts described, both grounds failed and the excise demand was sustained.

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Issues: (i) Whether wrapping paper used for packing paper reams or reels was separately liable to central excise duty apart from the packed paper contents. (ii) Whether the trade notice and departmental representations bound the revenue and precluded the demand for differential duty on the basis of promissory estoppel.

Issue (i): Whether wrapping paper used for packing paper reams or reels was separately liable to central excise duty apart from the packed paper contents.

Analysis: The wrapping paper used in the packing process was treated as part of the material consumed in making the paper marketable. The settled position relied upon was that packing necessary to make the goods marketable forms part of the manufacturing process, and the packing material can be regarded as a component part or raw material of the end product. The decision also noted the relevance of the exemption and proforma credit framework under the Central Excise regime.

Conclusion: The issue was decided against the assessee and in favour of the Revenue; the wrapping paper could not escape separate duty relief on the footing claimed by the petitioner.

Issue (ii): Whether the trade notice and departmental representations bound the revenue and precluded the demand for differential duty on the basis of promissory estoppel.

Analysis: A binding representation was not established on the facts. The Court held that promissory estoppel could not be invoked in the absence of proof that the petitioner acted upon a specific assurance and altered its position to its detriment. The refund claim and challenge to the demand were therefore not sustainable on this ground.

Conclusion: The issue was decided against the assessee and in favour of the Revenue; the trade notice and alleged assurances did not bar the demand.

Final Conclusion: The writ petition failed on both substantive questions, and the impugned excise demands and orders were sustained.

Ratio Decidendi: Packing material necessary to make excisable goods marketable may form part of the manufacturing process, but promissory estoppel against revenue requires proof of a specific assurance and detrimental change of position.

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