Air quality: Punjab board challenges Centre’s report
![](http://admin.indiaenvironmentportal.org.in/files/air_polltuion_abad_45.jpg)
PATIALA: Punjab Pollution Control Board (PPCB) has decided to challenge the recent report prepared by the Central Pollution Control Board (CPCB) in which eight cities have been listed among worst f
Publication Date:
30/04/2018