As the level of air quality in Delhi-NCR deteriorated to hazardous levels post-Diwali and is now in the severe category, Dr Arvind Kumar, the Chairman of Institute of Chest Surgery at Medanta Hospital in Gurugram on Sunday said that air pollution tri ...
As the level of air quality in Delhi-NCR deteriorated to hazardous levels post-Diwali and is now in the severe category, Dr Arvind Kumar, the Chairman of Institute of Chest Surgery at Medanta Hospital in Gurugram on Sunday said that air pollution tri ...