Section 153(2) in The Orissa Motor Vehicles Rules, 1993
(2)The mark shall be kept clean and unobstructed and shall be so fixed to the trailer that-(i)The author on the mark shall be vertical and easily distinguishable from the rear of the trailer;(ii)The mark shall be either on the centre or to the right hand side of the back of the trailer; and(iii)No part thereof shall be at a height exceeding one meter and twenty centimetres from the ground.
