[6] D. S. Ray was born on 2 January 1954 in the Indian state of West Bengal.
[8] He worked at the university for two years when he was appointed as a senior lecturer at the Indian Association for the Cultivation of Science in 1986 where he spent the rest of his career.
His later research at the Indian Association for the Cultivation of Science was focused on spin bath processes on which he has written numerous articles.
Google Scholar, an online repository of science articles, has listed 181 of these.
[13] He has mentored several doctoral scholars in their studies[14][15] and is a member of the national organizing committee of the Conference on Nonlinear Systems and Dynamics (CNSD).