New Delhi, Oct. 21 -- Delhi Environment Minister Manjinder Singh Sirsa on Wednesday accused the previous government of failing to take any "concrete action" as air quality slips into the "poor " category in the National Capital.

The blame game started hours after the Commission for Air Quality Management (CAQM) on Wednesday invoked Stage 1 of the Graded Response Action Plan (GRAP) across Delhi-NCR as air quality is in the "poor" category.

At a press conference, Sirsa said, "Regarding the pollution in Delhi, over the last 10-12 years, the air in Delhi has become severely polluted. The previous government kept making excuses, sometimes blaming Punjab, sometimes UP, Haryana, or Rajasthan, yet in all those 12 years, they failed to take any ...