Mrs Sah gained her M.S.c in Environmental Science from UNESCO-IHE, Netherlands in 2009. She also holds both a B.S.c and an M.S.c in Zoology from Banaras Hindu University , India, and the Regional College of Education, Orissa, India. She specialises in biological waste water treatment, modelling waste water treatment processes and moleculor biology techniques such as DNA fingerprinting, bacterial culture, cloning. She has held teaching positions at the American International School Rotterdam, and lectured in Zoology and Biology at UNESCO-IHE, Rato- Bangala campus, Kathmandu; R.R Campus, Janakpur; Lalitpur College, Kathmandu; and Kathmandu Women’s College, Kathmandu. She has also published widely in her fields of research.