Chandigarh traffic police, promoting road safety, traffic safety, India road signs & rules, safe responsible driving, first aid India.
Hand Signals by Drivers

Arm signals

For use when direction indicator signals are not used, or when necessary to reinforce direction indicator signals and stop lights.

I intend to move in to the left or turn left I intend to move out to the right or turn right
I intend to stop.
I intend to slow down. Indicating the car following you to overtake.