Powers of the supreme court
The Act does not curtail the powers of the Supreme Court. It has from time to time in various matters issued directions and orders to control pollution.
Directions issued to control vehicular pollution
In Mehta v Union of India 1999 in order to control the chaotic traffic conditions and vehicular pollution, the Supreme Court issued the following directions.
All commercial/transport vehicles which are more than 20 years old should be phased out and not permitted to ply in
after October 1998 Delhi
All such commercial /transport vehicles which are 17 to 19 years old (3200) shall not be permitted to ply in the
, National Capital Territory after 1998; Delhi
Such of the commercial /transport vehicles which are 15 and 16 years old (4962) shall not be permitted to ply after
December 31, 1998
The Supreme Court made this order applicable to all commercial/transport vehicles whether registered in the National Capital Territory of Delhi or outside (but ply in Delhi) which are of more than stipulated age and which do not have any authority to ply in Delhi.