An icon in the genre of Rabindra Sangeet (Tagore Songs), Sumitra Sen joined Gitabitan at an early age. Later on, she studied with Soumendranath Tagore and Anadi Kumar Dastidar.
Sumitra has been associated with Rabindra Bharati Univeristy since 1970, eventually retiring as the Head of the Department of Rabindra Sangeet. A regular artiste on All India Radio / Akashvani for over half a century, Sumitra also has the distinction of being associated with Doordarshan (pseudo-government controlled TV channel) from the day Doordarshan was founded.
Winner of the HMV Lifetime Achievement Award for outstanding contribution to Rabindra Sangeet, Sumitra Sen has sung many Bengali Film Songs and has albums published by numerous record labels, including SaReGaMa (erstwhile HMV), Soundwing, EBI, Atlantis, Raga Music, and so on.
Sumitra Sen is the founder of "Tribeni" - an organization for imparting Rabindra Sangeet skills to young and upcoming artists. Tribeni is regularly consulted by record companies while publishing Rabindrasangeet albums.