The state government was to have inducted 3,000 buses by now to check air pollution in Delhi.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/public-transport-not-ready-green-fight
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-pollution-control-authority-epca
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/centre-science-and-environment-cse
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi-transport-corporation-dtc
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-standards