Substantive compliance prevails over procedural formalities in concessional duty claims where end use is proven.

Concessional duty under Notification No. 5/98-C.E. was available for caustic soda supplied to ONGC for oil exploration because the substantive eligibility condition was satisfied by the actual supply and end use, as supported by the purchase order and end-use certificates. The prior certificate and post-clearance verification requirements were treated as procedural safeguards, so non-compliance with those formalities did not justify denial of the exemption when the object of the notification had been fulfilled. The beneficial exemption therefore could not be refused on procedural grounds alone.

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Issues: Whether the assessee was entitled to concessional duty under Notification No. 5/98-C.E. for caustic soda supplied to ONGC despite alleged non-compliance with the procedural requirements prescribed for end-use verification.

Analysis: The goods were undisputedly supplied to ONGC and were used in oil exploration, as shown by the purchase order and end-use certificates produced before the appellate authority. The notification extended concessional duty to goods supplied to ONGC for oil exploration, while the conditions regarding prior certificate and post-clearance verification were treated as procedural safeguards to ensure proper end use. Once the substantive eligibility condition was satisfied, denial of the exemption merely for procedural lapse would defeat the legislative intent. The principle applied was that substantive compliance prevails over procedural formalities where the object of the notification is fulfilled.

Conclusion: The assessee was entitled to the concessional rate of duty, and the demand could not be sustained on the alleged procedural non-compliance.

Ratio Decidendi: A beneficial exemption cannot be denied where the substantive condition for eligibility is fulfilled and only procedural requirements meant to verify end use remain unfulfilled.

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