Intended-use exemption and extended limitation under excise law turn on actual purpose, not exclusive traceability or mere dispute over classification.

An exemption notification tied to intended use was construed to require procurement and use for the stated manufacture, not exclusive or directly traceable consumption in each end-product unit. Naphtha obtained on CT-2 certificates for fertilizer and ammonia production did not lose exemption merely because it was used as supplementary fuel in an integrated steam-generation system serving multiple plant units, where the electricity generated was largely deployed in fertilizer operations. The extended limitation period and penalty depended on fraud, suppression or intent to evade duty; mere disagreement on exemption eligibility or difficulty in segregating fuel use was insufficient, especially in a revenue-neutral setting. On that basis, the demand, interest and penalties were set aside.

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Issues: (i) Whether naphtha procured under exemption notifications for use in the manufacture of fertilizer or ammonia remained eligible for exemption when it was used as a supplementary fuel in a common steam-generation system feeding multiple plant units. (ii) Whether the extended period of limitation and consequential penalty could be invoked on the basis of alleged suppression or misdeclaration in the CT-2 procurement process.

Issue (i): Whether naphtha procured under exemption notifications for use in the manufacture of fertilizer or ammonia remained eligible for exemption when it was used as a supplementary fuel in a common steam-generation system feeding multiple plant units.

Analysis: The exemption notifications turned on the expression "for use" and the requirement that the goods be cleared for the intended use. The governing principle is that, where the notification is framed around intended use, the relevant inquiry is whether the goods were procured and used with that intended purpose, not whether every molecule can be traced to the final product or whether the goods were exclusively consumed in one unit. The Court applied the settled distinction between eligibility to exemption and the stage of construing the scope of the notification, and held that the notification could not be read as requiring exclusive or direct use only. On the facts, naphtha was procured on the strength of CT-2 certificates for use in fertilizer and ammonia manufacture, and its use in the steam-generation system, including for electricity largely deployed in the fertilizer operations, did not defeat the intended-use condition.

Conclusion: The exemption was available and the demand based on denial of exemption was unsustainable, in favour of the assessee.

Issue (ii): Whether the extended period of limitation and consequential penalty could be invoked on the basis of alleged suppression or misdeclaration in the CT-2 procurement process.

Analysis: The proviso to the limitation provision applies only where non-payment is attributable to fraud, collusion, wilful misstatement, suppression of facts, or a contravention committed with intent to evade duty. Mere non-acceptance of the assessee's interpretation of the exemption, or inability to segregate the exact quantum of fuel consumed in different units, does not by itself establish deliberate suppression. The Court also treated the case as revenue neutral, since any duty burden would ultimately have been offset in the regulated subsidy structure. In that setting, the essential element of intent to evade was absent, and the foundations for extended limitation and penalty fell away.

Conclusion: The extended period of limitation was not available and the penalty could not survive, in favour of the assessee.

Final Conclusion: The excise demand, interest and penalties were set aside, and the challenge to the rectification-related proceedings was rendered academic in view of the substantive relief granted.

Ratio Decidendi: Where an exemption notification is conditioned on intended use, the exemption is not defeated merely because the procured goods are employed through an integrated utility system and cannot be directly traced to each end-product unit, and the extended limitation for excise recovery cannot be invoked absent deliberate suppression or intent to evade duty, particularly in a revenue-neutral situation.

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