Section 180(3) in The West Bengal Motor Vehicles Rules, 1989
(3)No person shall be carried in any goods vehicle -(a)in addition to goods loaded therein, either on the top of the goods so loaded or unless an area of not less than 3712.12 square centimeters of the floor of the vehicle is kept open for each person so carried, or(b)in such manner that-(i)any person so carried is in danger of falling from the vehicle, or(ii)any part of the body of any such person, when he is in a sitting position, is at a height exceeding 305 centimeters from the surface upon which the vehicles rest.
