Delhi Traffic Police issued around 550 challans, imposing a total fine of over ₹1 crore, to BS III petrol and BS IV diesel vehicles. This comes on the first day of the ban on these vehicles under the Graded Response Action Plan (GRAP) III. As per police, they also issued challans to 4,855 imposing a total of ₹4.8 crore fines on vehicles not having Pollution Under Control Certificates (PUCC).