Section 20(5) in The M.P. Cinemas (Regulation) Rules, 1972
(5)Openings not exceeding three in number shall be permitted, in the front face of the enclosure, the centre one of which must not exceed eight inches square and those in each side six inches square :Provided that where two machines are jointly used, openings not exceeding five in number shall be permitted viz; two for the projectors, two for the operators and one for fixed slides.
