Refund of excise duty paid under mistake: civil suit maintainable, and limitation runs from discovery of the mistake.

A civil suit for refund of excise duty paid under mistake was held maintainable because section 40 of the Central Excises and Salt Act, 1944 applies only to acts done in pursuance of the Act or rules and does not bar recovery of unlawfully realised duty. The special refund limitation under the Central Excise Rules, 1944 governed refund applications under the statutory machinery, but did not exclude a civil suit when that remedy failed. Limitation under the Limitation Act, 1963 ran from discovery of the mistake under section 17(1)(c), so the suit filed within three years of the relevant judicial pronouncement was within time.

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Issues: (i) Whether the suit for refund of excise duty paid under mistake was barred by section 40 of the Central Excises and Salt Act, 1944, and by the limitation prescribed under the Central Excise Rules, 1944; (ii) whether the suit was within the period of limitation under the Limitation Act, 1963, on the footing that the cause of action arose when the mistake was discovered.

Issue (i): Whether the suit for refund of excise duty paid under mistake was barred by section 40 of the Central Excises and Salt Act, 1944, and by the limitation prescribed under the Central Excise Rules, 1944.

Analysis: The statutory protection under section 40 applies only to acts done in pursuance of the Act or the rules, and not to an unlawful realisation of duty. Since the duty had been recovered contrary to the correct legal position, the bar under section 40 did not apply. The special refund period in Rule 11, as extended by Rule 173-J, governed applications for refund under the special machinery of the Act, but it did not exclude a civil suit governed by the general law where the special remedy had failed on limitation.

Conclusion: The suit was maintainable and was not barred by section 40 or by the special refund limitation under the Central Excise Rules, 1944.

Issue (ii): Whether the suit was within the period of limitation under the Limitation Act, 1963, on the footing that the cause of action arose when the mistake was discovered.

Analysis: For money recovered under a mistake, the applicable civil remedy is governed by the residuary limitation period, and section 17(1)(c) postpones the start of limitation until discovery of the mistake. The mistake was taken to have become known when the relevant judicial pronouncement was delivered on 18-1-1974, and the suit filed on 12-11-1976 fell within three years from that date.

Conclusion: The suit was within limitation under the Limitation Act, 1963.

Final Conclusion: The recovery suit succeeded in full, the defence based on statutory bar and limitation failed, and the decretal amount was enhanced accordingly.

Ratio Decidendi: A civil suit for refund of duty paid under mistake is maintainable where the levy was not authorised by the statute, and limitation under the Limitation Act runs from the date the mistake is discovered or reasonably deemed to have been discovered.

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