Permanent settlement exemption and mistake of law rule bar recovery of tax paid without legally sufficient duress.

Income from forests and fisheries in a permanently-settled estate was treated as outside the charge of income tax under the Permanent Settlement Regulation and the terms of the grant. The Madras HC also noted that tax paid after assessment and notice was not shown to have been extracted under legally sufficient duress; because the assessee had included the income in the return and paid thereafter, the payment was characterised as one made under a mistake of law. On that basis, the amount could not be recovered, and the recovery claim failed.

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Issues: Whether income derived from forests and fisheries in a permanently-settled estate was exempt from income tax and whether tax paid on such income could be recovered on the ground of mistake of law or duress.

Analysis: The Court followed the Full Bench view that, under the Permanent Settlement Regulation and the terms of the grant, income from forests and fisheries in a permanently-settled estate was outside the charge of income tax. On recovery, the Court held that the payment made after assessment was not shown to have been compelled by legal duress. The assessee had included the income in the return and paid the tax after notice, and the payment was therefore treated as one made under a mistake of law. A payment made under a mistake of law cannot be recovered back, and the facts did not bring the case within any exception based on coercion.

Conclusion: The income-tax recovery claim failed, and the appeal was dismissed.

Final Conclusion: The judgment affirms that, although the disputed income was treated as outside the charge of tax on the merits of exemption, the amount already paid could not be reclaimed because it had been paid under a mistake of law without legally sufficient duress.

Ratio Decidendi: Money paid under a mistake of law is not recoverable unless the payment was extracted by legally sufficient duress, and a voluntary payment made after assessment and notice does not become recoverable merely because the underlying levy was unauthorized.

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