Until real-time monitoring begins, Transport department officials have roped in 2,000 civil defence volunteers to create awareness.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/monitoring-vehicles-without-puc-delayed
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-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/pollution-under-control-certification
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bharat-stage-iv