Section 93C(2) in The Central Motor Vehicles Rules, 1989
(2)The Overall Width of the Airport Passenger Bus shall not exceed 3.2 meters.Explanation. - For the purposes of this rule, the term "Airport Passenger Bus (Tarmac Bus)" means the Bus having doors on both sides which is exclusively used for the carrying the passengers from airport terminal to and from the aircraft and plying on the air side on the Air port terminal with maximum speed not exceeding thirty kilometre per hour.]Size, nature and condition of tyres
