Darjeeling air high in PM10, turning toxic: Bose Institute-IIT Kanpur study
source https://timesofindia.indiatimes.com/india/darjeeling-air-high-in-pm10-turning-toxic-bose-institute-iit-kanpur-study/articleshow/100537445.cms
source https://timesofindia.indiatimes.com/india/darjeeling-air-high-in-pm10-turning-toxic-bose-institute-iit-kanpur-study/articleshow/100537445.cms