While studying Intermediate of Arts, she got a teacher's job at a deaf and dumb school and went to Kolkata.

Under Kalyani Das and Kamala Dasgupta's management, Ganguly, on behalf of the Chhatri Sangha, taught swimming in Raja Srish Chandra Nandy's garden.

[8] After the Chittagong armoury raid on 18 April 1930, at the instruction of the leaders of the Chhatri Sangha, Sashadhar Acharya and Ganguly in a disguise of husband and wife gave shelter in May 1930 to Ananta Singh, Lokenath Bal, Ananda Gupta, Jiban Ghoshal (Makhan) and others in Chandannagar.

[9] Under the Bengal Criminal Law Amendment (BCLA) Act, Ganguly was held captive in Hijli Detention Camp from 1932 to 1938.

[2] She was again detained in jail between 1942 and 1945 as she gave shelter to Hemanta Tarafdar, an activist of the Quit India Movement.