Charges will be Rs 700 for light duty vehicles and two-axle vehicles and Rs 1,300 for three-axle and above.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/sc-vehicles-entering-delhi-pay-environment-charge-nov
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/supreme-court
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cse-study
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/heavy-duty-vehicle
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/emission-tax
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/eco-tax
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution-control