R.M. Pal was born in Kamilla district of undivided Bengal. He taught English at Rajdhani College in Delhi. He was closely associated with the Radical Humanist Movement and was personally close to M.N. Roy and Evelyn Roy. He was honorary editor of the Radical Humanist and editor of PUCL Bulletin.
He has edited Selection from the Marxist Way and Humanist Way (1999) and co-edited Protection of Human Rights of Dalits: A Critique (1991). He has also published several articles on M.N. Roy and on the subject of human rights.