Motor Vehicle Act, Government of India has defined auto dipper as an essential safety device in Central Motor Vehicle Act.
Rules as per the act are reproduced below:
Central Motor Vehicle Act,1989 Section 110: The Central Government may make rules regulating the construction, equipment and maintenance of motor vehicles and trailers with respect to all or any of the following matters, namely: (a), (b), (c), (d), (e), (f), (g), (h), (i), (j) safety belts, handle bars of motor cycles, auto dippers and other equipment's essential for safety of drivers, passengers and other road users.
No lamp showing a light to the front shall be used on any motor vehicle including construction equipment vehicle (whether fitted with single or dual head lamp) unless such lamp is so constructed, fitted and maintained that the beam of light emitted there from is permanently deflected downwards to such an extent that it is not capable of dazzling any person whose eye position is,
Distance of 8 metres from the front of lamp,
At a distance of 0.5 metre to the right side of the lamps, i.e., fitted at right extreme of the vehicle, from the right edge of the lamp, and
At a height of 1.5 metres from the supporting plane of the vehicle:
Is capable of being deflected downwards by the driver in such manner as to render it incapable of dazzling any such person in the circumstances aforesaid;
Is capable of being extinguished by the operation of a device which at the same time causes a beam of light to be emitted from the lamp which complies with the provision of clause
Is capable of being extinguished by the operation of a device which at the same time either deflects the beam of light from another lamp downwards or both downwards and to the left in such manner as to render it incapable of dazzling any person in the circumstances aforesaid, or brings into or leaves in operation a lamp which complies with the provisions of clause.