In 1984, she appeared in Mukul Dutt's Hindi film "Phulwari", under Rajshri Productions. In the film, Roy portrayed the character of Lali, a beautiful, conceited and pampered girl who insults her boyfriend Rajiv on the day of their engagement and discloses to everyone present at her engagement party that she has given consent to marry him because she wanted to avenge an earlier incident when he humiliated her in front of the public. She was paired with Shashi Puri in this film. She featured alongside Kanowaljit Singh and Om Puri in Akash Jain's film "Seepeeyan" (1984), where she portrayed the role of a beautiful woman who flings herself into water after her boyfriend refused to marry her and is saved by another man whom she later marries. In 1984, she was cast in the role of "Kundanadinee" in Ajay Kar's Bengali period film "Bishabriksha", based on the veteran Bengali novelist Bankim Chandra Chattopadhyay's novel of the same name. She then, featured in Dipranjan Bose's Bengali drama film "Parabat Priya" (1984), alongside Tapas Paul and Mahua Roychoudhury. The film was a major success at the box office. She played the character of Piyali, a highly pampered girl who decides to poison a glass of milk that her husband was supposed to take.