Section 108(9)(ii) in The Orissa Motor Vehicles Rules, 1993
(ii)The width of the driver's seats across the vehicle shall not be less than 68.6 centimetres and shall extend to the left of the centre of the steering column by no case less than 25.4 centimetres so that a line drown parallel to the axis of the vehicle through the centre of any gear lever, brake lever or other device to which the driver has to have frequent access, lies not less than 5.1 centimetres inside the width reserved for the driver's seat.