This standard recommends the screen luminance (brightness) for the projection of 35 mm black-and-white and colour cinematograph film on matt white screens and on directional screens. It is intended to be applicable to the types of screen that are in general use at the present time.
IS 5353-1969 history
1970IS 5353-1969 Screen brightness specifications for projection of 35 mm film on matte and directional screens