New Delhi: Thirteen of the world's top 20 most polluted cities are in India, with Byrnihat in Assam topping the list, according to a new report published on Tuesday.Details RevealedThe World Air
New Delhi: Thirteen of the world's top 20 most polluted cities are in India, with Byrnihat in Assam topping the list, according to a new report published on Tuesday.Details RevealedThe World Air