She was again cast in the role of the chirpy sibling of Mahua Roychoudhury in Manu Sen's blockbuster Bengali film "Subarnagolak" (1981). She featured in Dilip Mukherjee's Bengali film "Father" (1981) alongside Soumitra Chatterjee, Ranjit Mallick, Haradhan Banerjee, Sumitra Mukherjee, Mithu Mukherjee and Mahua Roychoudhury. After Moon Moon Sen declined the role of Nandita, Aparna Sen proposed Roy to play the part in her directorial debut "36 Chowringhee Lane" (1981). Nandita along with her boyfriend Samaresh exploits her former teacher's apartment for making love to each other. The film was a major failure at box office, still Roy was applauded by media personalities due to her good looks and unlaboured screen presence. She, then appeared in Kanak Mishra's Hindi film "Jiyo To Aise Jiyo" (1981), under Rajshri Productions. She played Vidya, the love interest of Kundan played by Arun Govil. The film became a jubilee hit at box office. The next year, she appeared in Desh Gautam's "Bura Aadmi" (1980) which was a major box office debacle. In 1982, she appeared in Tarun Majumdar's Bengali film "Meghmukti". The same year, she featured opposite Mithun Chakraborty in Goutam Mukherjee's love triangle "Troyee" which became a major success at box office. "Aparupa", her another release of the same year was a flop at box office.