Section 2(11) in Tamil Nadu Combined Development and Building Rules, 2019
(11)"Assembly Building" means any building or part of a building, where 50 persons or more congregate or gather for amusement, recreation, social, religious, patriotic, civil, travel or other purposes and includes theaters, motion picture houses, assembly halls, Kalyana mandapams, convention centers, auditoria, exhibition halls, museums, skating rinks, large gymnasiums, places of worship, dance halls, club rooms, passenger stations, stadia and terminals of air, surface and marine, public transportation services;
