Delhi Wasn't World's Most Polluted City Last Year, This Indian Town Was
At the country level, Pakistan ranked as the world's most polluted nation, followed by Bangladesh and Tajikistan.
ஆதாரம்: NDTV
NDTV இல் முழு கட்டுரையைப் படிக்கவும் →At the country level, Pakistan ranked as the world's most polluted nation, followed by Bangladesh and Tajikistan.
ஆதாரம்: NDTV
NDTV இல் முழு கட்டுரையைப் படிக்கவும் →