IISc researchers develop sustainable method to remove heavy metal contaminants from groundwater
IISc said that according to reports, 113 districts in 21 States in India have arsenic levels above 0.01 mg per litre while 223 districts in 23 States have fluoride levels above 1.5 mg per litre, which are beyond the permissible limits set by the Bureau of Indian Standards and the World Health Organization. | Photo…