Octroi refund and classification principles: raw material not covered by washing-entry, and unlawful levy remained refundable.

Sulphonic acid imported as a raw material or chemical intermediate was not classifiable under Entry 18 of Schedule H, because that entry covered only substances capable of being used directly for washing, not inputs used to manufacture a detergent product. Octroi collected without authority of law was refundable under Article 265, and the refund rules did not operate as an absolute bar where the levy itself was unauthorized. Repeated protests and representations negatived laches, and the claim was not defeated by unjust enrichment because there was no material showing that the duty had been separately recovered or passed on. Refund was therefore payable, subject to proof of payment and compliance with the refund procedure.

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Issues: (i) Whether sulphonic acid imported as a raw material or chemical intermediate was classifiable under Entry 18 of Schedule H to the municipal octroi schedule before the residuary entry was introduced. (ii) Whether the claim for refund of octroi duty was barred by limitation, laches, or unjust enrichment.

Issue (i): Whether sulphonic acid imported as a raw material or chemical intermediate was classifiable under Entry 18 of Schedule H to the municipal octroi schedule before the residuary entry was introduced.

Analysis: Entry 18 covered substances used in washing clothes, floors and utensils. The controlling principle from the earlier Division Bench decision was that the entry applies only to articles or substances which by themselves are capable of being used for washing purposes. A raw material or intermediate that is only used in the manufacture of a final detergent product does not satisfy that test. The municipality had already accepted this position by granting refund for the later period after the residuary entry was inserted.

Conclusion: The raw material was not exigible to octroi under Entry 18 prior to 2 February 1993.

Issue (ii): Whether the claim for refund of octroi duty was barred by limitation, laches, or unjust enrichment.

Analysis: Octroi collected without authority of law is refundable under Article 265 of the Constitution of India. The refund rules regulate proof and procedure, but they are not an absolute bar where the levy itself was unauthorized. The record showed repeated protests and representations, so there was no abandonment of the claim or avoidable laches. The period claimed was within a reasonable span in the facts of the case. The plea of unjust enrichment also failed because there was no material to show that the duty had been separately recovered or passed on.

Conclusion: The refund claim was not barred by limitation, laches, or unjust enrichment, and refund was payable subject to production of supporting documents under the refund rules.

Final Conclusion: The petitioner was entitled to refund of octroi duty for the disputed earlier period, subject to verification of documentary proof of payment and compliance with the refund procedure.

Ratio Decidendi: Tax or octroi collected without authority of law is refundable, and procedural refund requirements or rigid limitation periods do not defeat the claim absent avoidable laches or proof that the burden was passed on.

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