The EPCA has recommended to the Ministry of Road Transport and Highways to set up advanced inspection centres to measure key pollutants
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/current-puc-ineffective-testing-diesel-vehicles-epca
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pollution-under-control-certification
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-pollution-control-authority-epca
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diesel
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bharat-stage-iv