Section 59(7) in Kolkata Municipal Corporation Building Rules, 2009
(7)Any building which is in full or part is put to assembly occupancy for the purpose of theatre, motion picture, city hall, dance hall, skating ring, auditorium, exhibition hall or for similar other purposes viz schools and colleges shall not be allowed on a plot located within 50 m. of junction of two streets the width of each of which is 15 m. or more.
