SECTION 157 IPC - Indian Penal Code - Harbouring persons hired for an unlawful assembly

Whoever harbours, receives or assembles, in any house or premises in his occupation or charge, or under his control any persons knowing that such persons have been hired, engaged or employed, or are about to be hired, engaged or employed, to join or become members of an unlawful assembly, shall be punished with imprisonment of either description for a term which may extend to six months, or with fine, or with both.

IPC 157 in Simple Words

If someone knowingly provides shelter or gathers people who have been hired or engaged to join an unlawful assembly, they can be punished with up to six months in jail, a fine, or both.