Surajit Chandra Sinha was born on 1st August, 1926.
- He wrote a thesis on The Acculturation of the Bhumij: A Study in Inter-Ethnic Integration and Stratification. Thus, he specialized in cultural anthropology.
- In his researches Surajit Sinha worked on tribal transformation in India, working on the integration of the Bhumij tribals within the Hindu caste system. He worked extensively former south Manbhum, Ranchi, Singhbhum, and Mayurbhanj districts within West Bengal, Bihar (undivided) and Orissa.
- He conducted researches on an anthropological study of Indian civilization and of cultural evolution.
- He conducted an All-India survey of the weaker sections of the Indian population.
- He studied the organization of the ascetics of Kashi.
- He did an anthropological appraisal of Rabindranath Tagore’s ideas on the nature of Indian civilization.
- He also worked on the social and cultural transformation of the Rarh region of West Bengal.
He died on 27 February 2002.