1.        Member, Nepal Univ Teachers’ Assoc (1978~96)

2.        Member, Med Technologists Alumni Assoc of PGIMER, India (1986~90)

3.        Life-Member, All India Med Lab Technologists Assoc (1988~)

4.        Member, Science Writer's Assoc of Nepal (SWAN), Ktm, Nepal (1987~93)

5.        Life-Member, Nepal Assoc of Med Lab Sciences, Ktm, Nepal (1991)

6.        Member, Research Evaluation & Promotion Committee, NHRC, Ktm, Nepal (1995~)

7.        Member, NHRC Core Research Group, HMG, Nepal (1997 ~ )

8.        Member, Japanese Soc of Infect Diseases (1994~2000)

9.        Member, Japanese Soc of Parasitol (1997~2000)

10.    Member, Cryptosporidiosis Study Group, Hyogo, Japan (1997 ~ ) (name changed to “Int’l Food & Waterborne Diarrheagenic Protozoan Parasites Study Group” in 1999

11.    Member, Japanese Soc of Clinical Hematology (1999~2000)

12.    Member, Microbiology Soc of Nepal (2000~ )

13.    Member, Ethical Committee of Nepal Med College, Ktm, Nepal (2000~ )

14.    Founder Chairman, Nat’l Inst of Trop Med & Public Health Research, Ktm (2002~ )

15.    Member-Secretary, Nepal Med College Research Committee (2001~ )

16.    Member-Secretary, Nepal Med Coll Research & Ethical Review Committee (2002~ )

17.    Chief-Editor, Nepal Med Coll J (2004~ ) (indexed in Index Medicus/MEDLINE)

18.    President, Nepal Assoc for Med Lab Sciences (2004~ )

19.    Founder Executive Chairman, Shi-Gan Health Foundation, Ktm (2005~ )

20.    Chairman, Bachelor Level Health Sci Subject Committee, Ktm University (2005~ )

21.    Chairman, , Ktm Univ Fac of Med, Dhulikhel, Nepal (2005~ )

22.    Member, Faculty Board, Faculty of Medicine, Ktm University (2005~ )

23.    Life Member, Indian Assoc of Med Microbiology, India (2006~ )

24.    Distinguished Advisor, Int'l Nepalese Biomedical Society (INBS), USA (2006~ )

25.    Secretary General, Org. Committee of Ist Int'l Conf on Med Lab Sci, Ktm (Mar 19~29, 2004)

26.    Member, Research Committee, Tilganaga Eye Center, Ktm, Nepal (2006~ )

27.    Chairman, Nepal Health Professional Council (Aug 2006~ )

28.    Member, Health Policy Advisory Committee, MoHP, Govt. of Nepal (Oct 2007~ )

29.    Member, Advisory Committee to Council for Tech Edu & Vocational Training (CTEVT), MoE, Govt. of Nepal (Jan 2007~ )

30.    Member, National Development Council 2064, Govt. of Nepal (Jun 2007~ )

31.    Member, Organizing Committee of SAARC HIV-TB Conference 2008, Ktm, Nepal.

32.    Advisor, Stupa Health Care Cooperative Limited, Kathmandu, Nepal (2008~ )

33.    Chairman, Laboratory Based Diagn Subject Committee, Pokhara University (Mar 2008~ )

34.    Member, Academic Council, Pokhara University (Aug 2008~ )

1.        Member-Secretary, Hattigaunda Family Care Center, Ktm, Nepal (1986~90)

2.        Member, Nepalese Std Soc, Chandigarh, India (1988~90)

3.        Chairman, Hattigaunda Blood Bank Society, Ktm, Nepal (1991~3)

4.        Advisor, Hattigaunda Blood Bank Society, Ktm, Nepal (1993~ )

5.        Life-Member, Kirant (Rai) Yayokkha, Nepal (1993~ )

6.        Founder Chairman, Hattigaunda Sewa Samaj (Welfare Society), Ktm, Nepal (1993 ~ )

7.        Distinguished Patron (life) Kirant (Rai) Yayokkha Nepal (Cultural Soc), Ktm (1997~ )

8.        Member, Lions Club of Alakapuri, Ktm, Nepal (1998~)

9.        Nepal Counterpart (Member), Laligurans Kai Japan, (2000~ )

10.    Treasurer, Adibashi Janajati Nagarik Manch, Ktm, Nepal (2006~ )

11.    Founder Chairman, Bhojpur Boyali Samaj Kathmandu, Ktm, Nepal (2006~ )

12.    Founder Chairman, INIS (Indigenous Nationalities Intellectual Society), Nepal, Ktm (2007~ )

13.    Advisor, Samyukta Kirant Lok Ganatantrik Moracha, Nepal, Ktm (2006 ~ )

14.    Advisor, Kirant (Rai) Yayokkha, Ktm, Nepal (2007 ~ )

15.    Advisor, Shri Ganesh 10+2 Program, Hattigaunda, Ktm, Nepal (2007 ~ )