Diesel-run autos continue to operate despite ban I Vehicular pollution up manifold
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/air-quality-concern-city-reels-under-pollution-0
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/tribune-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ludhiana-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pollution-under-control-certification
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution-control