1. Scientist “G”, Water Resources Systems Division, National Institute of Hydrology, Roorkee, Uttarakhand 247667, India.
2. Ex-Director, National Institute of Hydrology, Roorkee, Uttarakhand 247667, India; Presently, Visiting Professor, Civil Engineering Dept., Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India.
3. Research Associate, Water Resources Systems Division, National Institute of Hydrology, Roorkee, Uttarakhand 247667, India (corresponding author). ORCID: .
4. Superintending Engineer, Inter State and Water Resources, Water Resources Dept., Govt. of Andhra Pradesh, Vijayawada, Andhra Pradesh 520010, India.
5. Consultant and Ex-Chief Engineer, Inter State and Water Resources, Water Resources Dept., Govt. of Andhra Pradesh, Vijayawada, Andhra Pradesh 520010, India.