New Delhi, Nov. 1 -- Commuters in the NCR - from Noida, Gurugram, Faridabad and Ghaziabad - may face trouble entering Delhi starting Sunday, November 1, if their vehicles don't comply with the revised Graded Response Action Plan (GRAP) rules implemented across the national capital to curb air pollution during winters.

According to the Delhi Traffic Police, vehicle entry into Delhi will be restricted under the revised GRAP rules from November 1, 2026.

Under the new measures, vehicles registered outside Delhi that comply with BS-IV or older emission standards (below BS-VI standards) will be prohibited from operating in the city from November 1 to January 31, 2027.

Only vehicles conforming to BS-VI emission standards, CNG and electric veh...