Mr. Rabin Raj Niraula, a scholar of Ph.D. in Environmental Science, successfully defended his PhD Dissertation and research entitled "Modeling of Natural Spring Sources as an Alternative Method for Mapping Water Availability in the Mid-Hills of Nepal", on Monday, April 12, 2021. He has done research under the supervision of Prof. Dr. Subodh Sharma, a professor of Environmental Science at the KU School of Science. The PhD Defense Seminar (Viva) was organised at C.V. Raman Auditorium, Dhulikhel.