Section 58 in The Tamil Nadu Cinemas (Regulation) Rules, 1957
58.
(1)No corridor leading to any staircase communicating with any exit shall be less than [1.5 metres] [Inserted G.O. Ms. No. 3171, Home, dated 15th December 1976.] in width in any part thereof.(2)Where possible, gradients or inclined planes shall be used instead of steps, but no gradient or inclined planes shall be steeper than 1 in 10.
