Section 4(1)(b) in The Assam Cinemas (Regulation) Rules, 1960
(b)complete plans, elevations and sections in duplicate, of the premises and all erections or buildings thereon drawn correctly to the scale of one-eight of an inch to one foot and showing the width of all stairways, and the number of steps in each, the width of corridors, gangways and door-ways, the height of the galleries or tiers and the details of the cinematograph and of the plant or the generation or conversion of electrical energy;