Unjust enrichment and Modvat credit: refund sustained where duty was not passed on, but exempt-input credit had to be reversed.

Refund under Section 11C cannot be denied on unjust enrichment where evidence such as invoices, price charts, gate passes and returns supports concurrent findings that the duty burden was not passed on to customers. On the Modvat issue, credit attributable to inputs used in exempted tyres was inadmissible once the tyres became exempt, and the amount credited in RG 23A Part II had to be reversed under Rule 57C. The balance credit was also required to be reversed. The overall effect was that the refund based on non-passing of duty was sustained, but inadmissible input credit could not be retained.

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Issues: (i) Whether the incidence of excise duty paid on A.D.V. tyres had been passed on to customers so as to disentitle the respondents from refund under Section 11C. (ii) Whether the amount of Rs. 4,01,620 credited in RG 23A Part II towards Modvat credit on inputs used in the manufacture of the exempted tyres was admissible and could be retained as refund.

Issue (i): Whether the incidence of excise duty paid on A.D.V. tyres had been passed on to customers so as to disentitle the respondents from refund under Section 11C.

Analysis: The Assistant Collector and the Collector (Appeals) had both examined the invoices, price charts, gate passes and return records and recorded concurrent findings that the respondents had not increased prices to absorb the duty burden and had not separately recovered duty from customers. The Tribunal found no material to dislodge those findings and held that mere conjecture about outstanding duty recovery could not defeat a refund claim where the evidence showed that the duty incidence was borne by the respondents themselves. The decision was also found consistent with the principle that refund cannot be denied on a mere presumption of passing on the duty.

Conclusion: The incidence of duty was not passed on to any other person, and the refund claim could not be denied on that ground.

Issue (ii): Whether the amount of Rs. 4,01,620 credited in RG 23A Part II towards Modvat credit on inputs used in the manufacture of the exempted tyres was admissible and could be retained as refund.

Analysis: Since the tyres became exempt under the notification issued under Section 11C, the inputs relatable to those tyres were not eligible for Modvat credit. The Tribunal accepted that the credit had to be reversed under Rule 57C. It was also noted that a substantial part of the amount had already been reversed through entries in RG 23A Part II and the respondents were ready to reverse the balance.

Conclusion: The Modvat credit was inadmissible and was required to be reversed, with directions for reversal of the balance amount.

Final Conclusion: The refund on the ground of unjust enrichment was sustained, but the credit-related relief in RG 23A Part II was curtailed by requiring reversal of inadmissible Modvat credit.

Ratio Decidendi: A refund under Section 11C cannot be denied when concurrent findings establish that the duty incidence was not passed on, but Modvat credit attributable to exempted inputs is not retainable and must be reversed under the applicable credit rule.

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