( 1 ) THESE writ petitions under Article 226 of the Constitution of India raise a substantial question of law as to the vires of proviso (1) of Clause 15 (c) (. 2) of the Delhi Road Transport Authority (Conditions of Appointment and Service) Regulations, 1952, framed in exercise of the powers conferred by sub-sec. (1) lead with Clause (c) of subjection 1 (2) of Section 53 of the Delhi Road Transport Authority Act, 1950. They also seek a declaration that the impugned dismissal orders are in violation of Section 33 of the Industrial Disputes Act, 1947.

( 2 ) THE Delhi Road Transport Authority Act, 1950 was enacted to provide for the establishment and regulation of a Road Transport Authority for the promotion of a co ordinated system of road transport in the Union Territory of Delhi. Under Section 3 of the said Act, the Delhi Road Transport Authority was established and it took over with effect from April 1, 1950 the earlier transport system known as Delhi Transport Servics which in turn was as a result of nationalisation of Gwalior and Northern India Transport Company Ltd. on May 14, 1948. On the coming into force of the Delhi Municipal Corporation Act, 1957, the tra