Under the rules, dust-generating construction and demolition activities will remain prohibited from November 1 to January 31, irrespective of the Graded Response Action Plan (GRAP). Delhi has introduced sweeping pollution-control measures as winter begins. The restrictions follow the city's lowest average October AQI in eight years. The Centre has suspended construction and demolition activities in the National Capital Region from November 5 to 20 to combat rising air pollution levels.