"The fact that it succeeded, it brings happiness and it brings confidence that something like this can be done. And I hope there will be many more to reduce pollution and other environmental hazards," he said.
The Delhi High Court on Wednesday asked the city government whether it can limit the 15-day odd-even number car regulation scheme to a week, saying it has caused inconvenience to people.
NIA officials on Wednesday took Punjab Police officer Salwinder Singh with them to reconstruct the entire sequence of events of his 'abduction' by suspected Pakistani terrorists who later attacked the Pathankot air base in a pre-dawn attack on January 2.
Dialling Prime Minister Narendra Modi from Sri Lanka, Pakistan Prime Minister Nawaz Sharif on Tuesday promised "prompt and decisive action" against terrorist groups linked to the attack on the air base at Pathankot in Punjab.
Asked if all terrorists had been accounted for, he said: "We do not have any information on any more terrorists."
Disgruntled BJP MP Shatrughan Sinha has lamented the entry of "Johnnies-come-lately" and those who lost the Lok Sabha polls in Prime Minister Narendra Modi's government while seniors were ignored.