Biro's battle began when an exorcist declared her mentally disturbed son possessed and sentenced him to death. Biro fought for her son's life and also took on the community in Goalpara district of Assam for branding women as witches. The women would be tried in a village panchayat and sentenced to death. A housewife, Biro became a crusader. She traveled from village to village, held public meetings and was able to convince the community to take a collective decision against the barbaric practice. Biro now has another fight. She is mobilizing women in her area to fight alcoholism.