Director Bibhuti Laha (of Agradoot) named her Suchorita for his film “Khokhababur Pratyabartan”. After that director Kanak Mukhopadhay decided to make it shorter into Sumita. Famous actress Lila Desai was very much known to Sumita. Lila introduced her to Agradoot. After she got a chance in “Khokababur Pratyabartan”, she acted in more than 40 films in Bengali including “Sagina Mahato” opposite Dilip Kumar. She also has acted in a number of Hindi films, the most notable of which was Anand in 1970 opposite Amitabh Bachchan. She also acted television serials, professional stage and in group theatre with the notable association with “Ranga Sabha”.