New Delhi, Dec. 27 -- Delhi Environment Minister Manjinder Singh Sirsa on Saturday announced that two restrictions under the Graded Response Action Plan (GRAP)-4 will now remain permanent in an effort to curb 'severe' air pollution in the national capital.

Speaking to the media, Sirsa said that petrol will not be provided to vehicles without a valid Pollution Under Control Certificate (PUCC) until further orders. "From now on, it has been decided that out of the restrictions under GRAP-4, we have made two restrictions permanent. The first one is PUCC. You will not get petrol anywhere without a PUCC certificate until next orders," he said.

The minister further stated that vehicles entering Delhi from outside the city that do not meet Bha...