[On 6 September 2018, the Supreme Court ruled unanimously in Navtej Singh Johar v. Union of India that Section 377 was unconstitutional "in so far as it criminalises consensual sexual conduct between adults of the same sex".]
Whoever voluntarily has carnal intercourse against the order of nature with any man, woman or animal, shall be punished with 1[imprisonment for life], or with imprisonment of either description for a term which may extend to ten years, and shall also be liable to fine.
Explanation.—Penetration is sufficient to constitute the carnal intercourse necessary to the offence described in this section.
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1. Subs. by Act 26 of 1955, s. 117 and the Sch., for “transportation for life” (w.e.f. 1-1-1956).

