Section 124(4) in The Orissa Motor Vehicles Rules, 1993
(4)On and from such date as the State Government may appoint the hood of every motor cab other than a motor cab granted with a permit under Sub-section (9) of section 88 shall be painted in cream yellow and the rest of the body in black colour :Provided that if the hood of the motor cab is collapsible or removable, a band of 75 centimetres wide shall be painted in cream yellow on the upper-most metal part of the front portion of the body :Provided further that no motor vehicle other than a motor cab shall be painted in colour specified above :Provided also that a motor cab used solely for the transport of tourists and specifically exempted by the Commissioner shall not be required to be painted in colour specified above and shall prominently display on it a letter "T" which shall not be less than 5 centimetres in height and 4 centimetres in breadth and shall be painted on the front feder of the motor cab on a white surface enclosed by a circle drawn in green.