Dynamic definition of agricultural income and retrospective tax validation upheld where legislative competence cured the earlier defect.

A constitutional reference to "agricultural income" may be read dynamically where the text and purpose indicate that the State definition should track the income-tax law in force from time to time, so the amended Kerala definition was valid. A retrospective validating tax law is effective where the legislature has competence and the later enactment removes the defect that had affected the earlier levy; section 2 supplied the basis and section 3 validated prior proceedings. Retrospectivity in taxation is not unconstitutional merely because it is burdensome; absent proof that the levy is confiscatory or a cloak for expropriation, it remains within ordinary taxing power.

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Issues: (i) Whether the amended definition of "agricultural income" in the Kerala Agricultural Income-tax Act could validly be aligned with the then prevailing definition under the income-tax law in force from time to time; (ii) whether the retrospective operation of the amending legislation and the validating provision were beyond legislative competence or amounted to an impermissible inroad into judicial power; and (iii) whether the retrospective levy was so harsh or unreasonable as to offend the constitutional protection of property.

Issue (i): Whether the amended definition of "agricultural income" in the Kerala Agricultural Income-tax Act could validly be aligned with the then prevailing definition under the income-tax law in force from time to time.

Analysis: Article 366(1) of the Constitution defines "agricultural income" by reference to the enactments relating to Indian income-tax. That reference was held to be dynamic and not frozen to the law as it stood on the date the Constitution came into force. The purpose of the definition is to avoid overlap and conflict between Union and State taxing fields by making the State definition conform to the income-tax law for the time being in force.

Conclusion: The amended definition was valid and could properly track the income-tax law in force from time to time, against the assessee.

Issue (ii): Whether the retrospective operation of the amending legislation and the validating provision were beyond legislative competence or amounted to an impermissible inroad into judicial power.

Analysis: A validating law is effective if the legislature has competence over the subject and if the defect found in the earlier law is removed by retrospective re-enactment or by supplying the legal basis on which the levy can stand. Section 2, given retrospective effect, cured the basis of assessment, and section 3 validated prior proceedings on that foundation. Such validation was treated as a permissible exercise of legislative power and not as a reversal of judicial decisions by legislative fiat.

Conclusion: The retrospective amendment and validating provision were intra vires and effective, against the assessee.

Issue (iii): Whether the retrospective levy was so harsh or unreasonable as to offend the constitutional protection of property.

Analysis: Retrospectivity in taxation is not, by itself, unconstitutional. The Court required more than a showing of burden or inconvenience; the measure had to be shown to be confiscatory in character or a mere cloak for expropriation. No sufficient factual foundation was laid to establish that the retrospective tax operated in that manner, and the measure remained within the ordinary field of taxation policy.

Conclusion: The retrospective levy was not shown to be confiscatory or unconstitutional, against the assessee.

Final Conclusion: The challenge to the amendment and validating legislation failed, and the assessment-related relief was not granted.

Ratio Decidendi: A constitutional reference in defining a taxable category may be construed as dynamic where the text and purpose so indicate, and a retrospective validating tax law is valid if the legislature has competence and the later law removes the defect that had invalidated the earlier levy.

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