Propylene classification and suppression-based limitation fail where statutory disclosures and returns negate extended period invocation.

Propylene was held classifiable under Chapter 29 of the Central Excise Tariff, rejecting the assessee's claim for Chapter 27. On limitation, prior intimation of manufacture, disclosure of the process, filing of classification declarations under Rule 173B, amendment of the registration certificate, and regular returns negatived suppression of facts with intent to evade duty. The extended period of limitation was therefore not available, the demand was held time-barred, and the consequential penalty failed. The classification finding remained adverse to the assessee, but the demand and penalty were annulled on limitation grounds.

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Issues: (i) Whether propylene was classifiable under Chapter 29 of the Central Excise Tariff Act or under Chapter 27 as claimed by the assessee. (ii) Whether the demand was barred by limitation and the extended period could be invoked on the ground of suppression of facts with intent to evade duty.

Issue (i): Whether propylene was classifiable under Chapter 29 of the Central Excise Tariff Act or under Chapter 27 as claimed by the assessee.

Analysis: The classification dispute was governed by the tariff headings applicable to propylene and the earlier Tribunal view treating propylene as falling under Chapter 29. The product was therefore examined in the light of the settled classification position and the tariff description adopted by the Revenue.

Conclusion: The classification under Chapter 29 was upheld, and the assessee's claim under Chapter 27 was rejected.

Issue (ii): Whether the demand was barred by limitation and the extended period could be invoked on the ground of suppression of facts with intent to evade duty.

Analysis: The record showed prior intimation of manufacture of propylene, disclosure of the manufacturing process, filing of classification declarations under Rule 173B of the Central Excise Rules, and amendment of the registration certificate. Regular declarations and monthly returns were also filed. On these facts, suppression with intent to evade duty was not established, so the extended period could not be sustained.

Conclusion: The demand was held time-barred, the extended period was set aside, and the consequential penalty also failed.

Final Conclusion: The appeal succeeded on limitation, resulting in annulment of the demand and penalty despite the classification finding against the assessee.

Ratio Decidendi: Prior disclosure of the product, filing of statutory declarations, and consistent reporting negate suppression of facts and prevent invocation of the extended period of limitation.

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