Ms. Das Roy is a social development crusader. She pioneered an alternative pathway of care for the homeless persons with mental illness which has reached out to over 3000 such persons. She established the first special shelter for homeless women and men with psychosocial disabilities in Kolkata in collaboration with the Government of West Bengal which has given a second lease of life to 600+ women in the last 10 years and about 175 men in the last 5 years. She has initiated an integrated approach to health care by making available mental health care at municipality primary health care centers, for the urban home-based poor in collaboration with Kolkata Municipal Corporation.