IIT-D Study Says Kinnaur in Himachal Pradesh Has Cleanest Air in CountryNewsBy Mandar Pandhare27 Jun 2016 13:45 ISTA recent study by the Centre for Atmospheric Sciences, Indian Institute of Technology-Delhi (IIT-D) says that Kinnaur district in Himachal Pradesh, which is about 270 km from the state capital Shimla, has the cleanest air in the country.Read More
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