Joysagar, March 21: Two students of Dumar Dalang Tea Estate area drowned on Monday in Deroi River. As per reports, Krish Koira (11) and Santosh Munda (10) went to the river for a bath in the afternoon but suddenly they drowned in the river. The bodies of the children were recovered by Mathurapur police and sent to Sori Civil Hospital for postmortem.