Post #33815 1.31K Nov 17, 2024, 12:44 UTC 🔍Why BS-III petrol and BS-IV diesel four-wheelers have been banned in Delhi-NCRhttps://ift.tt/HjgPrQhGo beyond the headlines with #ExpressExplained The Indian Express Why BS-III petrol and BS-IV diesel four-wheelers have been banned in Delhi-NCR The Delhi Traffic Police on Friday issued challans of Rs 20,000 each to 514 vehicles for flouting the ban. What is the categorisation and the rationale for the ban?