SUBHASH MISHRA   Dhanbad, June 9: A nano technique will now help people get rid of arsenic in groundwater. A four-member researchers’ team of the Environment Science Engineering Department of IIT ISM under Dr S R Samadder has developed an adsorbent for the removal of arsenic from groundwater through a coating of nano manganese on … Continue reading IIT ISM makes major breakthrough in purifying arsenic-contaminated water