Punjab records 7.6 pc improvement in air quality on Diwali
The News Freedom (www.thenewsfreedom.in) Chandigarh, November 13 Punjab has observed an average air quality index (AQI) reduction of 7.6 percent…
The News Freedom (www.thenewsfreedom.in) Chandigarh, November 13 Punjab has observed an average air quality index (AQI) reduction of 7.6 percent…