According to officials, 39 specialised teams will operate round the clock at 13 major toll plazas.
Vehicles without valid Pollution Under Control certificates will not receive petrol, diesel, CNG or LPG at fuel stations.
Photocatalytic coatings are a potential supplementary measure, not a complete solution to urban air pollution.
Schools have also been impacted by the GRAP-4 curbs.
Green tea is known for its high antioxidant content.