He said transport rules will be tightened in the next two years to combat alarming levels of pollution
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/air-pollution-has-reached-alarming-levels-and-we-are-concerned-about-it-gadkari
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-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/ministry-shipping-road-transport-and-highways
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/auto-industry
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution