The survey studied 2,000 Indian drivers, owners and those who planned to purchase a car between 2017 and 2018.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/hyderabad-air-most-polluted-after-delhi%E2%80%99s
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/deccan-chronicle-telangana
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/telangana
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hyderabad-t
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-quality-standards
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/centre-science-and-environment-cse
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide