Section 63(2) in The Tamil Nadu Cinemas (Regulation) Rules, 1957
(2)The angle of elevation subtended at the eye of any person seated in the row nearest to the screen by the length of the vertical line dropped from the centre of the top edge of the picture to the horizontal plane passing through observer's eye shall not exceed 35 degrees, the height of the eye of the person seated being [1.10 metres] [Substituted by G.O. Ms No. 3999, Home, dated 23rd November 1962.] above the floor level. A strong barrier or other efficient partition shall be provided to enforce this provision.
