Dasgupta’s career in painting ran parallel to his teaching career. Dasgupta joined St. Thomas School at Howrah as an art teacher in 1966 and remained there till 1979. He then moved to a school in Dasnagar as an art teacher and in 1985 joined the Faculty of Visual Arts at the Rabindra Bharati University, Calcutta. He remained there till 1997 and also held the posts of Dean and Curator at the Rabindra Bharati University Museum, Calcutta.

Dasgupta has had five solo expositions, which have been held in Kolkata, New Delhi and Chennai. At the national level he has been a part of over 50 group shows including participation at the expositions held at AIFACS, Birla Academy, Bharat Bhavan Biennale, National Exhibitions etc. Dasgupta has also participated in International shows in Kuala Lumpur, London, Cuba, New Delhi, Frankfurt, Poland, Germany, Brazil, Manchester and Paris among others. In 1981 he was awarded by the Birla Academy of Arts and Culture and in 1989 the Shiromani Puraskar was bestowed on him in Kolkata.

Dasgupta passed away in 1997 in Kolkata.