Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/impact-covid-19-led-lockdown-air-pollution-levels-bengaluru
[2] http://www.indiaenvironmentportal.org.in/files/file/Impact-of-COVID-19-led-lockdown-on-Air-Pollution-Levels-in-Bengaluru.pdf
[3] http://admin.indiaenvironmentportal.org.in/category/publisher/centre-research-energy-and-clean-air-crea
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karnataka
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangalore
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coronavirus
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pm25