Whoever voluntarily has carnal intercourse against the order of nature with any man, woman or animal, shall be punished with *[imprisonment for life], or with imprisonment of either description for 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.
* Subs. by Act 26 of 1955, sec.117. and sch., for "transportation for life" (w.e.f. 1-1-2024).