A.D.KOSHAL, J.

(1) THE facts giving rise to this appeal by the Delhi Administration on certificate granted by the High court of Delhi against its judg- ment dated 20/10/1967 in a petition under Articles 226 and 227 of the Constitution of India (Civil Writ Petition 1376 of 1967) are not in dispute and may be briefly stated. The governments of the States of Punjab and Delhi entered into an agreement about 30 years back providing for the running of public service vehicles on routes which covered each of the two States so that everyone of such routes had one terminus in one of the States and the other in the other. In pursuance of the agreement one of the governments would issue permits under the Motor Vehicles Act, 1939 (here- inafter referred to as the Act) and the same would be countersigned by the other State before the former plied its buses on the routes covered by such permits. One such permit related to the Delhi-Karnal, route and was countersigned by the State Transport Authority, Delhi, in the following terms:

COUNTERSIGNED for the portion of the route Delhi-Karnal from 31/07/196 7/11/1967 subject to the condition that tickets will be issued for the