1. Research Scholar, Dept. of Hydrology, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India (corresponding author). ORCID: .
2. Professor, Dept. of Hydrology, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India.
3. Distinguished Professor, Regents Professor and Caroline and William N. Lehrer Distinguished Chair in Water Engineering, Dept. of Biological and Agricultural Engineering and Zachry Dept. of Civil Engineering, Texas A&M Univ., College Station, TX 77843; Distinguished Scholar, National Water Center, United Arab Emirates Univ., Al Ain, United Arab Emirates.