Team Leader, Intercountry Malaria Control, Disease Control & Prevention, World Health Organization Regional Office(s) for the Eastern Mediterranean since 1989. Regional Director, Health Services, Ministry of Health, Nepal, 1986-1987. Senior Epidemiologist, Department of Health Services, Ministry of Health, Nepal, 1984-1985.
Acting Chief Officer, 1982, Deputy Chief Officer, 1977-1981, Regional Malaria Officer, 1970-1976, Medical Officer, 1966-1969, Malaria Eradication, Ministry of Health, Nepal. Medical Officer, District Health Center, Nepal, 1964-1965.