Satinath (Sathyu) Sarangi was born in Chakradharpur, Jharkhand, India, on 25 September 1954.
Sarangi has been involved with the multiple activities run by a network of local, national, and international groups, pursuing health and economic needs, fighting legal claims, providing medical support, and working to ensure remembrance of the Bhopal disaster of 1984.
[2] Sarangi's work as a campaigner started early as he became involved in various campaigns including indigenous people's struggle for self-determination in Bihar and the Society of Social Workers, students involved in organizing low-caste agricultural workers.
He immediately started exposing the issues of health care and defending the rights of the victims.
[2] He was a member of the organizing committee for the Bhopal session of the Permanent Peoples' Tribunal on Industrial and Environmental Hazards and Human Rights in 1992, and the National Organizing Secretary for the International Medical Commission on Bhopal in 1994.