Conduct-based criminal prohibition under constitutional review: Section 377 upheld against equality, privacy, and vagueness challenges.

Section 377 IPC was analysed as a penal provision regulating conduct rather than targeting a protected identity. The Court held that this distinction defeated the Article 14 and 15 challenge, since the law did not create an unconstitutional classification on its face. It also accepted that privacy, dignity and autonomy are protected under Article 21 but found no clear constitutional violation because the provision criminalised acts, not orientation. The Court further held that the phrase "carnal intercourse against the order of nature" had a workable judicial meaning, and that alleged misuse or overbreadth did not by itself invalidate an otherwise constitutionally valid law.

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Issues: (i) Whether Section 377 of the Indian Penal Code, 1860 was unconstitutional as violating Articles 14 and 15 by allegedly creating an arbitrary and discriminatory classification against homosexuals and other sexual minorities; (ii) whether Section 377 violated Article 21 by infringing privacy, dignity, autonomy and substantive due process in relation to consensual sexual acts between adults in private; (iii) whether the provision was void for vagueness or liable to be read down on the basis of alleged misuse and overbreadth.

Issue (i): Whether Section 377 of the Indian Penal Code, 1860 was unconstitutional as violating Articles 14 and 15 by allegedly creating an arbitrary and discriminatory classification against homosexuals and other sexual minorities.

Analysis: The provision was held to be a penal law defining a prohibited act and not a law targeting a protected class or identity. The Court accepted that the legislature may classify conduct for the purpose of criminal prohibition, and that persons who indulge in carnal intercourse against the order of nature constitute a distinct category for the purposes of the penal law. The record did not justify the conclusion that the provision, on its face, created an unconstitutional classification or that the limited number of prosecutions could sustain a finding of facial discrimination against a minuscule section of the population.

Conclusion: Section 377 of the Indian Penal Code, 1860 was not violative of Articles 14 and 15.

Issue (ii): Whether Section 377 violated Article 21 by infringing privacy, dignity, autonomy and substantive due process in relation to consensual sexual acts between adults in private.

Analysis: The Court recognised that privacy and dignity are protected facets of Article 21, but held that those protections are not absolute and must yield to a valid penal enactment unless a clear constitutional violation is shown. It further held that the provision criminalised an act and not an identity, and that the mere fact that some persons might associate the proscribed acts with sexual orientation did not make the statute unconstitutional. The Court declined to import foreign constitutional approaches mechanically and emphasised judicial restraint where the legislative choice has not been clearly shown to offend Part III.

Conclusion: Section 377 of the Indian Penal Code, 1860 was not violative of Article 21.

Issue (iii): Whether Section 377 was void for vagueness or liable to be read down on the basis of alleged misuse and overbreadth.

Analysis: The Court held that the expression "carnal intercourse against the order of nature" had acquired a workable judicial meaning through precedent, and that imperfection of language did not by itself invalidate the provision. It also held that mere possibility or instances of misuse by law-enforcement authorities could not render an otherwise valid section unconstitutional; abuse of power affects the action, not the section. Since no clear constitutional infirmity was established, the Court refused to strike down or read down the provision on that basis.

Conclusion: Section 377 of the Indian Penal Code, 1860 was neither void for vagueness nor liable to be struck down or read down on the ground of misuse.

Final Conclusion: The constitutional challenge failed and the impugned declaration of the High Court was set aside, leaving Section 377 of the Indian Penal Code, 1860 intact.

Ratio Decidendi: A pre-Constitution penal provision is entitled to a presumption of constitutionality, and it will not be struck down unless a clear constitutional violation is shown; mere perceived social disapproval, limited prosecutions, or possible misuse do not by themselves invalidate the law, especially where the statute regulates conduct rather than identity.

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