Mr. Halder also is one of the founder members of Srijan Foundation. With a background in PG Diploma in Rural Development, he has two and half decades of experience in social service. He started his career young, as a programme supervisor and also has remained state level Facilitator for Reproductive & Child Health (RCH) and Water & Sanitation by SIHFW, Patna & UNICEF (1997-2002). His field of expertise includes participatory planning and action.