Specific excise refund limitation applies to mistaken exemption interpretation; general limitation law cannot extend the refund period.

Refund of central excise duty paid under a mistaken interpretation of an exemption notification was held to fall within the specific refund framework in Rule 11 read with Rule 173J of the Central Excise Rules, 1944. The term "error" in Rule 11 was treated broadly enough to cover mistaken interpretation by departmental authorities, so the claim did not shift to the general law of limitation. As a result, the portion of the refund claim filed beyond the excise-specific time limit was barred, and the general limitation law could not be used to extend the refund period.

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Issues: Whether the refund claim arising from payment of central excise duty on a mistaken interpretation of the exemption notification was governed by Rule 11 read with Rule 173J of the Central Excise Rules, 1944, or by the general law of limitation on the footing that the duty had been paid under a mistake of law.

Analysis: The duty had been paid on the basis of the departmental interpretation of Notification No. 206/63-CE dated 30-11-1963. The governing refund provisions were Rule 11 read with Rule 173J of the Central Excise Rules, 1944, and a wrong interpretation of the notification by departmental authorities did not take the claim outside those rules. The expression 'error' in Rule 11 was treated broadly enough to include mistaken interpretation, and the distinction sought to be drawn between error and mistake did not displace the specific statutory limitation applicable to excise refunds. The general law of limitation could not be invoked to extend the refund period in proceedings of this nature.

Conclusion: The refund claim was held to be governed by Rule 11 read with Rule 173J of the Central Excise Rules, 1944, and the belated portion of the claim was barred by limitation; the contention based on general limitation law was rejected.

Final Conclusion: The review succeeded on the limitation issue, and the earlier appellate order allowing refund beyond the excise-specific time limit was not sustained.

Ratio Decidendi: Where duty is paid because of a mistaken interpretation of an exemption notification, the refund claim is governed by the specific limitation provision in the excise rules, and the general law of limitation cannot be used to enlarge that period.

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