Chairman, Vigilance and Monitering Committee, A.P.; Vice-Chairman, National Commission for Scheduled Tribes, Government of India, 2003-2004; President, National Students Union of India (NSUI), Arunachal Pradesh, 1987-94; General Secretary, (i) Adi Branch Students Union (ABSU), 1980-84; (ii) Jawaharlal Nehru College, Pasighat Arunachal Pradesh 1986; Joint Secretary, Arunachal Pradesh, Indigenous Tribal Right Organisation APITRO, 1996-98; Member, (i) Court of the University of Nagaland, (ii) National Commission for Scheduled CAstes & Scheduled Tribes, Government of India (2001-03), Board of Directors Forest Corporation, Government of Arunachal Pradesh, 1994-99; and (iv) Panchayat Abhiyan (1989); Patron, All India SC/ST, Airport Authority of India