The NGT on Tuesday disposed of petitions which alleged that diesel powered inter-state taxis operating in Delhi were violating Supreme Court directive. A Bench headed by Justice U D Salvi disposed of the pleas filed by an apex body of radio taxi operators and a Delhi resident seeking prohibition on running of diesel taxis in NCR Delhi. NGT’s direction came after it was informed that the Supreme Court has already passed a direction that all taxis including aggregators like OLA and UBER operating in the NCR “to be converted to CNG not later than March 31, 2016”.