The Noida Authority on Saturday said it issued penalties worth Rs. 11,15,000 to various private contractors and entities for flouting anti-air pollution guidelines and rules. It said the action has been taken as per the guidelines of the Graded Response Action Plan (GRAP), which came into force on Thursday amid deteriorating air quality in the Delhi-NCR region. On Saturday, the air quality index in parts of Noida remained in the “very poor” category.