Retrospective tax validation and output-based exemption limits upheld as lawful fiscal policy.

A retrospective tax validation can be sustained where the Legislature removes the defect identified in the earlier exemption scheme and keeps within its taxing competence. The article explains that such validation does not amount to an exercise of judicial power or colourable legislation if it alters the legal basis of the prior decision. It also notes that an output-based ceiling may be used as a rational classification for a fiscal exemption, and that retrospective operation does not by itself make the scheme arbitrary or discriminatory. Promissory estoppel cannot restrain legislative action, and a claimed refund right is not treated as property in the manner argued.

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Issues: (i) Whether section 52 of the Finance Act, 1982, by giving retrospective effect to Notification No. 22/1982, was within legislative competence and amounted to an impermissible exercise of judicial power or a colourable exercise of power; (ii) Whether the retrospective scheme and the output-based ceiling for exemption violated Articles 14, 19(1)(g) and 300A of the Constitution of India, or was barred by promissory estoppel.

Issue (i): Whether section 52 of the Finance Act, 1982, by giving retrospective effect to Notification No. 22/1982, was within legislative competence and amounted to an impermissible exercise of judicial power or a colourable exercise of power.

Analysis: The retrospective provision was enacted to remove the defects noticed in the earlier exemption notification and to restore the legislative intention of confining the concession to tiny or cottage units. The valid retrospective law did not merely declare a judicial decision ineffective, but altered the legal basis on which the earlier decision had proceeded by adopting the later notification as part of the statutory scheme. A Legislature competent to impose or exempt a tax may validate past collections retrospectively, provided it removes the defect identified by the court and does not purport to exercise judicial power. The challenge based on colourable legislation also failed because the provision fell squarely within the legislative field of taxation and validation.

Conclusion: The retrospective validation enacted by section 52 was held to be within legislative competence and not an unconstitutional exercise of judicial power; the challenge failed.

Issue (ii): Whether the retrospective scheme and the output-based ceiling for exemption violated Articles 14, 19(1)(g) and 300A of the Constitution of India, or was barred by promissory estoppel.

Analysis: The exemption was part of a taxing policy and could legitimately be confined to a class selected by a rational criterion. Output was treated as a permissible basis to identify tiny units, and a retrospective exemption scheme did not become arbitrary merely because some manufacturers could not reorganise production to satisfy the ceiling after the event. The concession did not impose a restriction on the right to carry on trade, but only limited the availability of a fiscal benefit. The claim of promissory estoppel was rejected because such an equitable plea cannot control legislative action, and the alleged accrued right to refund did not amount to property protected in the manner contended.

Conclusion: The retrospective exemption scheme and the output-based classification were upheld as reasonable and non-discriminatory, and the promissory estoppel and property-based challenges failed.

Final Conclusion: The retrospective validating provision and the exemption notification were sustained, and the writ petitions were dismissed.

Ratio Decidendi: A Legislature competent over the subject may retrospectively validate a tax exemption or levy by removing the defect in the earlier law and altering the legal basis of the prior decision, and a rational output-based classification for fiscal exemption will not be struck down merely because it operates retrospectively.

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