The Motor Vehicles Act, 1988
121.
Signals and signalling devices.
The driver
of a motor vehicle shall make such signals and on such occasions as may
be prescribed by the Central Government:
Provided that
the signal of an intention to turn to the right or left or to stop-
- in the
case of a motor vehicle with a right-hand steering control, may be
given by a mechanical or electricaldevice of a prescribed nature affixed to
the vehicle; and
- in the
case of a motor vehicle with a left hand steeringcontrol, shall be given by a
mechanical or electrical device of a prescribed nature affixed to the vehicle:
Provided
further that the State Government may, having regard to the width and
condition of the roads in any area or route, by notification in the
Official Gazette, exempt subject to such conditions as may be specified
therein any motor vehicle or class or description of motor vehicles from the
operation of this section for the purpose of plying in that area or route.