Retrospective validation of Modvat credit lapse upheld after Parliament cured the defect in prior rule-making authority.

Sections 131 and 132 of the Finance Act, 1999 were described as a curative and validating amendment that retrospectively supplied the missing rule-making authority for lapsing of unutilised Modvat credit. The legislative change was stated to remove the defect identified in the earlier judgment by expressly validating the relevant rule for the affected period. On that basis, the prior credit entitlement was displaced, and the challenge to constitutional validity failed. The text also states that a validating statute may retrospectively cure an infirmity pointed out by a judicial decision and alter the legal basis on which the earlier decision proceeded.

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Issues: Whether Sections 131 and 132 of the Finance Act, 1999 validly cured the defect noticed in the earlier judgment and retrospectively validated the lapsing of unutilised Modvat credit, thereby defeating the assessee's claim to a vested right in such credit.

Analysis: The Finance Act, 1999 inserted a specific rule-making power enabling lapsing of unutilised credit and expressly validated the relevant rule retrospectively. The legislative exercise was directed at removing the very defect on which the earlier judgment had proceeded, namely the absence of authority to provide for lapsing of credit. The amendment was treated as a curative and validating measure within legislative competence. Since the enactment operated retrospectively and expressly covered the relevant period, the existing credit entitlement stood displaced by the validating legislation. The Court also applied the principle that a validating statute may retrospectively cure the infirmity pointed out by a judicial decision and render the earlier decision ineffective for the altered legal field.

Conclusion: The challenge to the constitutional validity failed. The retrospective validation was upheld and the assessee's plea based on vested right was rejected.

Final Conclusion: The impugned provisions were held to have effectively cured the earlier defect and to have lawfully validated the lapsing of unutilised Modvat credit with retrospective effect.

Ratio Decidendi: The legislature may, within its competence, retrospectively cure the defect identified by a judicial decision and validate earlier actions by enacting a curative law that alters the legal basis of the decision, even if the measure affects an existing credit entitlement.

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