Indian pediatrician, public health specialist, and activist who has received the Gwangju Prize for Human Rights, and the Gandhi International Peace Award in 2011.
He published work in a medical journal called The Lancet.
He was a key player in the founding of Chhattisgarh Mukti Morcha's Shaheed Hospital, which is run and owned by both a worker's organization and a community NGO.
He married his girlfriend Illina Sen.
He is an Indian civil rights leader like John Dayal.