Section 128(12) in The Central Motor Vehicles Rules, 1989
(12)Lighting.(i)( a) The passenger compartment shall be adequately illuminated.(b)Arrangement shall be provided to eliminate reflection of the light from the passenger compartment on the windscreen.(c)In addition to the lights in passenger compartment, at least two night-lights with coloured domes, shall be provided in the passenger compartment.(ii)Front and rear destination boxes, if provided, shall be illuminated.(iii)One independently operated light fitting shall be provided for illumination of the drivers or attendants seat area.(iv)A light fitting shall be provided for illuminating the steps at the passenger entrance door.(v)Each luggage hold shall have a light fitting for illumination of that hold.(vi)Wiring in the passenger compartment shall be with low tension cable conforming to IS: 2465 of size commensurate with the estimated current loading. The wires shall be carried in PVC sleevings or conduit or casing of adequate size. When any wire passes through a hold in a panel or sheet metallic components, a rubber grommet of adequate size shall be provided for protection of the insulation.
