State land-restoration legislation upheld in substance, while protection for non-agricultural land remained outside the later scheme.

The Kerala land-restoration statute was analysed as a measure within State competence over land and agricultural land, with colourable legislation rejected because invalidity depends on lack of power, not legislative motive. Earlier writ directions were treated as requiring statutory implementation only; they did not create an indefeasible vested right before the restoration process and compensation requirements were completed. The statute's altered rehabilitation-based scheme was upheld against Articles 14 and 21 challenges in substance, and repeal did not automatically revive the earlier law in full under general repeal principles. The Court also drew a constitutional distinction between agricultural and non-agricultural land, limiting the later enactment's effect where it could not validly displace prior protection.

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Issues: (i) Whether the Kerala Restriction on Transfer by and Restoration of Lands to the Scheduled Tribes Act, 1999 was colourable legislation or otherwise beyond the legislative competence of the State; (ii) whether the earlier writ directions compelled restoration of land so as to create vested rights immune from a later enactment; (iii) whether the 1999 Act was unconstitutional for violating Articles 14 and 21 and whether repeal of the 1975 Act revived the earlier law in its entirety; (iv) whether the State could validly restrict the 1999 Act to agricultural land and exclude non-agricultural land from the repeal package.

Issue (i): Whether the Kerala Restriction on Transfer by and Restoration of Lands to the Scheduled Tribes Act, 1999 was colourable legislation or otherwise beyond the legislative competence of the State.

Analysis: The challenged enactment was held to fall within the State's competence under Entry 18 of List II, which covers land and transfer and alienation of agricultural land. Colourable legislation turns on want of legislative power, not on alleged legislative motive. Once competence exists, the court does not invalidate the law merely because it alters the scheme of an earlier enactment or seeks a different policy response. The State's object, including balancing tribal protection with broader land policy, was therefore not a ground to strike the statute down as colourable.

Conclusion: The 1999 Act was not colourable legislation and was within legislative competence, except to the extent later limited by the Court in relation to non-agricultural land.

Issue (ii): Whether the earlier writ directions compelled restoration of land so as to create vested rights immune from a later enactment.

Analysis: The earlier proceedings had directed implementation of the 1975 Act, but the Court distinguished between a mandamus that merely requires statutory implementation and a mandamus that crystallises an enforceable entitlement in favour of a class of persons. The restoration scheme under the 1975 Act was procedural and conditional, including adjudication, appeals, and payment of compensation. A vested right to restoration arose only when the statutory conditions were completed, particularly payment of compensation and completion of the restoration process. Since many claims had not reached that stage, the later legislation could validly alter the regime.

Conclusion: No immutable vested right arose merely from the earlier directions to implement the 1975 Act, and the later statute was not invalid on that ground.

Issue (iii): Whether the 1999 Act was unconstitutional for violating Articles 14 and 21 and whether repeal of the 1975 Act revived the earlier law in its entirety.

Analysis: The Court held that the 1999 Act, viewed as a whole, was more beneficial and represented a legislative choice aimed at rehabilitation, allotment of land, and welfare measures for tribals. The classification and retrospective operation were not shown to be arbitrary merely because the Act limited the earlier restoration scheme and replaced it with alternate benefits. The Court also held that a statutory benefit can be altered by a later law and that the repeal clause did not result in automatic revival of the prior enactment under the General Clauses Act. A distinction was drawn between repealed rules and repealed statutes, and between invalidation of a later law and revival of an earlier law. The challenge under Articles 14 and 21 therefore largely failed.

Conclusion: The 1999 Act was substantially valid, and the 1975 Act was not revived in full by the invalidation of the challenged parts of the later statute.

Issue (iv): Whether the State could validly restrict the 1999 Act to agricultural land and exclude non-agricultural land from the repeal package.

Analysis: The Court accepted the distinction between agricultural and non-agricultural land as constitutionally relevant. The State lacked competence to repeal or displace the earlier protection in relation to non-agricultural land through the new agricultural-land-based enactment. The earlier statutory protection for non-agricultural land was therefore not legally extinguished by the 1999 Act, because the later enactment could not validly occupy that field to the extent of repeal.

Conclusion: The 1999 Act could not validly displace the earlier law in relation to non-agricultural land, and the prior protection survived to that limited extent.

Final Conclusion: The appeals succeeded in part. The principal constitutional attack on the 1999 Act failed, but the Court confined the effect of the later enactment by preserving the earlier protection insofar as non-agricultural land was concerned.

Ratio Decidendi: A later statute may replace or modify an earlier statutory scheme if enacted within legislative competence and not otherwise unconstitutional, and a writ directing implementation of a statute does not by itself create an indefeasible vested right unless the statutory process is completed; repeal will not revive the earlier law beyond the limits of legislative competence or the express repeal-and-saving framework.

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