• October 2018 to March 2019 (Intermittent): Team Leader / Groundwater Expert at Development Support Consult for Recharge Dynamics Study of Kathmandu Valley under Kathmandu Valley Water Supply Management Board (KVWSMB). Responsible for to collect samples from all over the valley (deep groundwater samples) addressing the heterogeneity of the aquifer distributions throughout the valley; to carry our hydro-chemical analysis (Major Anion and Cation) for understanding water chemistry type of study area; to carry out isotope analysis (Stable Water Isotope and Tritium Isotope) for assessment of recharge process of groundwater system in Kathmandu Valley; to prepare spatial map with groundwater age distribution (Fresh and Fossil Water); to study groundwater recharge dynamics of the valley with geological, litho-logical, hydro-chemical, isotope and other relevant data.