India, Dec. 18 -- As part of intensified measures to tackle rising air pollution levels in the national capital, the ban on the entry of non-Delhi private vehicles below BS-VI emission standards and the 'No PUC, No Fuel' rule came into force in Delhi on Thursday.

At several fuel stations, vehicles were seen queued up for pollution certificate checks. Motorists without valid documents were turned away, news agency PTI reported.

A DTC in-charge, JD Sharma, deployed at a petrol pump, said checks were being carried out manually as cameras were not available at the location. "We are checking pollution certificates and noting down vehicle details, which will be shared with the concerned department," he said.

At the Delhi-Noida border, DTC su...