During the partition violence, she met Gandhi in Noakhali. Even before Gandhiji reached there, she opened a relief center and rescued 400 women after touring on foot 90 miles in just six days. After the Partition of India, she ran homes in Calcutta for destitute and abandoned women and tried to help refugees from East Bengal. From 1946 to 1947, Roy set up seventeen relief camps in Noakhali, following the riots which took place there - activist Suhasini Das worked at one.