She married the anthropologist Surajit Chandra Sinha, former vice-chancellor, Visva-Bharati University who made significant contributions to understanding the process of acculturation of tribal peoples in India.
Sinha's early education started in Lake School for girls, in Kolkata, which was founded by her elder sister Sushama Sengupta.
She received her doctorate from the University of Calcutta as a student of the Rajabazar Science College in 1956–7, under the guidance of professor Satyendra Nath Bose.
[1] At the start of joining Professor Satyendra Nath Bose, she had scoured surplus army equipment sold as scrap on the footpaths of Calcutta after the Second World War.
She wrote an analytical article ‘Jarawa Songs and Vedic Chant: A Comparison of Melodic Pattern’[4] in The Journal of Asiatic Society in 2005 based on their field trip to the Andaman Islands in 1988.
She has written extensively on Satyendra Nath Bose and the works on him are: Sinha enjoyed singing, painting, writing, and reading books.
[5] Her artistic interests were varied and included learning Hindustani classical music from Yamini Ganguly, and painting from the well-known painter Gopal Ghosh.