 She was a student of Beltala Girls' High School from which she finished her secondary examination.Later, she obtained a bachelor's degree from the Jogamaya Devi College, an affiliated undergraduate women's college of University of Calcutta, in Kolkata.Ganguly attended a wedding ceremony where she was introduced to Bijoy Chatterjee who was looking for a fresh face with unplucked eyebrows to play the female lead in his Hindi short film "Nirupama" (1986) based on Rabindranath Tagore's Bengali short story "Dena Paona".