The Motor Vehicles Act, 1988
Chapter 05 Control of Transport Vehicles
Section 69: General provision as to applications for permits
Provided that if it is proposed to use the vehicle or vehicles in two or more regions lying within the same State, the application shall be made to the Regional Transport Authority of the region in which the major portion of the proposed route or area lies, and in case the portion of the proposed route or area in each of the regions is approximately equal, to the Regional Transport Authority of the region in which it is proposed to keep the vehicle or vehicles:
Provided further that if it is proposed to use the vehicle or vehicles in two or more regions lying in different States, the application shall be made to the Regional Transport Authority of the region in which the applicant resides or has his principal place of business.