Delhi is all set to tighten its laws related to winter air pollution from November 1, and stringent testing of emissions from vehicles would be among the measures that will be taken. The new restrictions will be put into place for old vehicles which are not BS-VI compliant and also vehicles which do not have ...

As winter arrives, the same grim headlines resurface. The cities of India top the list of the world’s most polluted places. By 2025, Delhi was not the only city at the top of that list. Byrnihat, a small industrial town on the Assam-Meghalaya border, logged the highest average levels of PM2.5 in the country, even ...