Section 23(1)(b) in The Rajasthan Shops and Commercial Establishment Rules, 1959
(b)All beams, rafters, doors, window frames and other wood work with the exception of floors, shall be painted at least once in four years dating from time when last painted and shall be kept in a clear state. This shall not apply to-(i)rooms used only for the storage of articles;(ii)walls or tops of rooms which are made of galvanised iron-sheets, tiles, asbestos sheets or similar material or glazed bricks;(iii)ceiling of rooms in which the lowest part is at least 20 feet from the floor;(iv)any other establishment or parts thereof in which lime washing, colour washing or painting is, in the opinion of the Inspector, unnecessary,