The IPC 1860 was replaced by the BNS 2023 (in force 2024-07-01); no verified section mapping on file for Section 151 — confirm the corresponding provision (savings: Section 358, BNS 2023).
Whoever knowingly joins or continues in any assembly of five or more persons likely to cause a disturbance of the public peace, after such assembly has been lawfully commanded to disperse, shall be punished with imprisonment of either description for a term which may extend to six months, or with fine, or with both. Explanation - If the assembly is an unlawful assembly with the meaning of section 141, the offender will be punishable under section 145. CLASSIFICATION OF OFFENCE Punishment--Imprisonment for 6 months, or fine, or both--Cognizable--Bailable--Triable by any Magistrate--Non-compoundable.