Section 2(1)(d) in The Orissa Motor Vehicles Rules, 1993
(d)"express stage carriage" means a stage carriage with a permit authorising the same to stop, to pick up and set down passengers once in an average distance of [twenty-five] [Substituted vide O. Gazette Extraordinary No. 642/13.4.2007.] kilometres covered by its route with the exception of district, Sub-division, tahasil, block headquarters en-route and the place of its starting and terminus;