Section 33(b) in The Meghalaya Cinemas (Regulation) Rules
(b)All stair cases shall be constructed entirely of bricks, stones, cement, or concrete with fire-resisting roof and ceiling and shall have solid square (as distinguished from spandrill) steps and landings of approved stone of such other fire-resisting materials and construction as may be approved by the Licensing Authority with treads not less than 11 (inches) wide and with risers of not more than 6 (inches) high (each lapping at least one inch over the back edge of the steps below it) in flights of not more than 15 or less than 3 steps.
