PVR ‘Audit-Air-Iums' will be installed across Delhi NCR, Mumbai, Bengaluru and Hyderabad.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/deadly-air-pollution-pvr-launches-smog-free-auditorium-delhi
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/financial-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/indoor-air-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-index-aqi