The interim order banning registration of diesel-run vehicles with engine capacity of 2000 CC and above is in force till April 30.
A Bench of Chief Justice T S Thakur and Justice U U Lalit expressed its displeasure when Solicitor General Ranjit Kumar sought postponement of hearing on the ground that none of the law officers would be available tomorrow as they are going for a conference in Cuttack in Odisha.
The Bench told the Solicitor General that Additional Solicitor General Maninder Singh, who was present in the courtroom, be asked to appear tomorrow.
"One or two law officers can be present," the bench said.
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The Solicitor General has said there was a need for adjourning tomorrow's hearing as all law officers would be participating in a conference of the Supreme Court Middle Income Group Legal Aid Society on the theme, "Providing legal Aid to Persons Belonging to Middle Income Group".
"We had fixed it as many people wanted the hearing and they had agreed for hearing on a Saturday," the bench said while not accepting the plea that more than one advocate would be required as several ministries like industry and others are involved in it as issues relate to policy matters.
Besides the CJI, the bench would comprise Justices A K
Sikri and R Banumathi.
While extending deadline in the last hearing for converting diesel-run taxis into CNG and continuing with the status-quo on registration of high-end diesel vehicles, the bench had asked the big car makers not to treat the PIL as an "adversarial litigation" and "treat it in public interest".
When the arguments were made by senior advocates like Gopal Subramaniam, C A Sundaram, P Chidambaram and others on behalf of automobile majors, the bench had said, "you have two choices, first to continue with the ban for six months or secondly, we impose the compensation charge on purchasers of these diesel vehicles".
In a bid to tackle rising pollution level in the capital, the court, on December 16, had also restricted the entry of commercial vehicles into Delhi from NH-8 which connects Jaipur to Delhi and NH-1 that connects the states of Punjab, Haryana and other northern States to Delhi via Kundli border.
Prior to this, the court had barred registration of diesel-run sports utility vehicles (SUVs) and high-end private cars with engine capacity of 2000 CC and above in Delhi and National Capital Region till March 31, 2016.
The court also directed 100 per cent hike in Environment Compensation Charge (ECC) being levied on light and heavy commercial vehicles entering Delhi.
It had directed that "all taxis including those operating under aggregators like OLA and UBER in the NCT of Delhi, plying under city permits shall move to CNG not later than March one, 2016."
The court was hearing various pleas including a 1984 PIL filed by environmentalist M C Mehta on the issue.