Successive Delhi governments have not been serious about improving the notoriously bad quality of air that people breathe in the national capital.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/revealed-how-successive-delhi-governments-ignored-funds-meant-curb-pollution-capitals-air
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-mail-united-kingdom
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cse
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rspm-pm-10
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-act-1981
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diesel
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/congestion