Sponge iron units causing pollution to save power bills
![](http://admin.indiaenvironmentportal.org.in/files/industrial_polltuion_30.jpg)
HYDERABAD: Sponge iron manufacturing industries in the city surroundings are causing massive pollution by dumping black and reddish dusty layers of coal ash and iron dust on nearby localities and f
Publication Date:
09/04/2018