ORDER 1. These applications have been filed by DTC, Hindustan Motors Ltd., Association of India Automobiles Manufacturers, interveners/applicants, Department of Transport, Government of NCT, Ministry of Transport, Mr. Sunil Kumar Verma and three others, Maruti Udyog Ltd. and Maruti Dealers. 2. It is clarified that the restrictions on registrations imposed by our order dated 29-4-1999 do not apply to the registration of vehicles which are fitted with CNG kits and ply on CNG only. 3. It is further clarified that the number of vehicles which can be registered, even if they do not conform to Euro I norms till 31-50-1999, is 250 diesel-driven vehicles per month only. With effect from 1-6-1999, no vehicle shall be registered unless it conforms to Euro I norms. Vehicles conforming at least to Euro I norms can, thus, be registered, without any other restriction, betwen 1-6-1999 and 31-3-2000 only but, with effect from 1-4-2000, no vehicle shall be registered unless it conforms to Euro II norms. 4. It is also clarified that Euro I norms for the purpose of this order means India 2000 norms as notified by the Government of India vide GSR No. 493(E) dated 28-8-1997 but those norms would be effective from 1-6-1999. 5. The restrictions imposed by our order dated 29-4-1999 for the application of Euro I and Euro II norms for registration of vehicles would apply with effect from the dates as contained in that order dated 29-4-1999 and remain unaltered and shall be strictly complained with. In all other respects also the order dated 29-4-1999 is confirmed, till further orders. 6. List all other connected applications along with the main matter after the summer vacations. (C.R.) Order accordingly. ************* Parallel Citations of other Journals : M.C. Mehta v. Union of India and Ors., 1999(9) Supreme 498 : (1999) 6 SCC 14 00023