New Delhi, April 23 -- Vehicles nearing the end of their life will not be allowed to fill fuel from 1 July in the national capital territory of Delhi, the Commission for Air Quality Management (CAQM) said on Wednesday.

According to the order, made in response to worsening air quality, the restriction will extend to five high vehicle density (HVD) districts -- Gurugram, Faridabad, Ghaziabad, Gautam Budh Nagar and Sonipat - from 1 November.

In the rest of the national capital region, the rule will apply from 1 April 2026.

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As of March 2025, the estimated number of overaged vehicles in Delhi is over 6.1 million, while Haryana had 2.7 million, UP 1.28 million and Rajasthan 621,000.

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