1. Research Scholar, Dept. of Hydrology, Indian Institute of Technology, Roorkee, Uttarakhand 247667, India.
2. Professor, Dept. of Hydrology, Indian Institute of Technology, Roorkee, Uttarakhand 247667, India (corresponding author). ORCID: .
3. Reader, Dept. of Chemical Engineering, Loughborough Univ., Loughborough, Leicestershire LE11 3TU, UK.
4. Professor, Geography and Environment, Loughborough Univ., Loughborough, Leicestershire LE11 3TU, UK.