Section 377 Indian Penal Code
Section 377 of the Indian Penal Code 1860 is about Unnatural offences. It is under CHAPTER XVI (OF OFFENCESAFFECTINGTHE HUMAN BODY) of the Code.
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.