GRAVIS is a non-governmental organization founded to promote self-reliance and to improve the social, economic and political situation of desert communities in Rajasthan, India. Ms. Tyagi has a particular interest in the economic empowerment of women, their health, education, training, and income generating potential. She was recently instrumental in founding a community hospital that serves 250,000 people, particularly women in pregnancy and childbirth. She has served on the governing boards of several state and national social welfare organizations. She is currently the president of South Asia Partnership-India, which is an international organization under Canadian sponsorship that focuses on rural development issues for grassroots organizations in South Asian countries including India, Bangladesh, Sri Lanka, Pakistan and Nepal.