Section 61(11) in The Tamil Nadu Cinemas (Regulation) Rules, 1957
(11)There shall be no recesses or projections in the walls of such staircases within [1.75 metres] [Substituted by G.O. Ms. No. 3999, Home, dated 23rd November 1962.] of the floor and any fittings for lighting shall be at least [2 metres] [Substituted by G.O. Ms. No. 3999, Home, dated 23rd November 1962.] above the steps or landing
