[2] He was a Pioneer of Bengali Romantic Drama.Saptapadi retrospectively at the 45th International Film Festival of India in the "homage section" of Indian panorama.
[4] During the 1950s and early 1960s, he emerged as a key figure in mainstream Bengali cinema, with a string of commercially successful films such as Shyamali (1956), Harano Sur (1957), Saptapadi (1961) and Saat Pake Bandha (1963).
Of these, Harano Sur and Saptapadi involved the popular romantic pair of Uttam Kumar and Suchitra Sen.
From the late 1960s onwards, he made a number of films which were adaptations of well-known literary works, especially those by Rabindranath Tagore and Sarat Chandra Chatterjee.
[5] Goutam Ghose says that Mrinal Sen was compelled to write scripts for directors like Ajay Kar’s Kanch Kata Heera.His works impact and influence on South Indian filmmakers like C. V. Sridhar and P. S. Ramakrishna Rao.