Section 11(2) in The Motor Vehicles (Driving) Regulations, 2017
(2)In case a mechanical or electrical device in not fitted in the vehicle for giving signals or, the said device is provided but not functioning, the driver shall give manual signals as specified below-(i)to stop, a driver shall raise his right forearm vertically outside of, and to the right of, the vehicle, palm to the right;(ii)to turn to the right or to drive to the right-hand side of the road in order to pass another vehicle or for any other reason, the driver shall extend his right arm in a horizontal position outside of, and to the right of, his vehicle with the palm of the hand turned to the front;(iii)to turn to the left or to drive to the left-hand side of the road, the driver shall extend his right arm and rotate it in an anti-clockwise direction;(iv)to indicate to the driver of a vehicle behind him that the latter may overtake, the driver shall extend his right arm and hand horizontally outside of, and to the right of, the vehicle and shall swing the arm backward and forward in a semi-circular motion.
