Affiliation
- Member, International Association of Vegetation Science (IAVS)
- Member, The International Association for Ecology (INTECOL)
- Member, The Ecological Society of America (ESA)
- Member, Society of Wetland Scientists (SWS)
- Member, National Geographic Society (NGS)
- Life Member, Natural History Society of Nepal (NAHSON)
- Life Member, Nepal Botanical Society (NBS)
- Life Member, Ecological Society, Nepal (ECOS)
Professional Services/Past membership
- Association of Fire Ecology (AFE) - Member (2006-2013)
- American Association for the Advancement of Science (AAAS) - Member (2006- 2009)
- Natural Areas Association (NAA) - Member (2001- 2007)
- National Institute of Ecology, India (NIE) - Member (Since 1998-2002)
- Wetlands Nepal (WetNepal) - Founder President (1999-2001)
- Nepal Botanical Society - Treasurer (1994-1996)
- Nepal GIS Society (NEGISS) - Executive member (1995-1996)
- Ecological Society, Nepal (ECOS) - Executive member (1994-1996)
- Nepal University Teacher's Association, Kirtipur - Executive Member (1994-1996)
- Nepal Biotechnology Association - Executive Member (1989-1992)
- International Society for Tropical Ecology (ISTE)- Member (1984-2000)
- Indian Ecological Society - Member (1985-1989)
- Nepal Environmental Conservation Group - Member (1983-1989)
- Tribhuvan University Botanical Society - Graduate student representative (1980-1982)
