Delhi-NCR में हवा की गुणवत्ता बेहद 'गंभीर', लगातार जहरीली हो रही है हवा | Air quality worsen
2018-11-01 0 Dailymotion
The Environment Pollution Control Authority urged people to reduce use of private vehicles and use public transport or other means as Delhi is grappling with dangerous levels of air pollution.