Excise valuation and unjust enrichment: packing cost excluded from assessable value, and refund allowed after levy was quashed.

Packing cost of jute bags used for cement was treated as outside the assessable value for the relevant period under the amended excise valuation provisions, and the demand based on that inclusion was held unsustainable. The Court also addressed refund of duty paid under protest after the levy was quashed, and held that the doctrine of unjust enrichment did not bar refund where duty had been collected without authority of law and the claim was promptly made. The protest payment and undertaking to reimburse consumers were noted as negating any equitable bar. Consequential refund relief was granted.

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Issues: (i) Whether the cost of jute bags used for packing cement was includible in the assessable value for levy of excise duty. (ii) Whether the doctrine of unjust enrichment barred refund of excise duty paid under protest after the levy was quashed.

Issue (i): Whether the cost of jute bags used for packing cement was includible in the assessable value for levy of excise duty.

Analysis: The levy was examined in the light of the amended excise valuation provisions and the earlier Division Bench decision on the same question. The Court treated the packing cost of jute bags as not forming part of the assessable value for the relevant period and held the demand founded on such inclusion to be unsustainable.

Conclusion: The inclusion of the cost of jute bags in the assessable value was not justified and the levy was quashed.

Issue (ii): Whether the doctrine of unjust enrichment barred refund of excise duty paid under protest after the levy was quashed.

Analysis: The Court considered the refund provisions then in force and the authorities on refund of tax or duty collected without authority of law. It held that when duty is collected without jurisdiction and the claim is made promptly, the State cannot retain the amount merely because the assessee may have passed on the burden to consumers. The Court also noted the protest payment and the undertaking to reimburse consumers if claims were made, which negatived any equitable bar to refund.

Conclusion: The plea of unjust enrichment did not defeat the claim, and refund was directed.

Final Conclusion: The writ petition succeeded, the excise levy on the packing cost was annulled, and consequential refund relief was granted to the assessee.

Ratio Decidendi: Excise duty collected without authority of law is refundable in writ jurisdiction when the levy itself is quashed, and the State cannot retain such collection on a plea of unjust enrichment absent a statutory bar.

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