The IPC 1860 was replaced by the BNS 2023 (in force 2024-07-01); no verified section mapping on file for Section 377 — confirm the corresponding provision (savings: Section 358, BNS 2023).
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 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. CLASSIFICATION OF OFFENCE Punishment--Imprisonment for life, or imprisonment for 10 years and fine--Cognizable--Non-bailable--Triable by Magistrate of the first class--Non-compoundable.