Dr Nema is a water resources engineer and currently serving as a Scientist - D in the Water Resources Systems Division of National Institute of Hydrology, Roorkee, Uttarakhand (INDIA). He has a rich experience of 15 years+ in R&D with specialization in the field of water resources. He has also handled various other technical and administrative responsibilities, independently. He is leading the function as an Officer-In-Charge of Remote sensing and GIS Lab. His area of expertise is Hydrologic Modelling with a focus on Impact studies of Climate change, Experimental Hydrology, Estimation of Evapotranspiration, Water Audits, Application of advanced tools such as Artificial Neural Networks, Remote Sensing and GIS, etc.