1. Executive Engineer, Bangladesh Water Development Board, Ministry of Water Resources, Dhaka, Bangladesh (corresponding author).
2. Associate Professor, Dept. of Hydrology, Indian Institute of Technology, Roorkee, India.
3. Professor, Dept. of Hydrology, Indian Institute of Technology, Roorkee, India.
4. Senior Divisional Engineer, Dept. of Irrigation, Ministry of Water Resources, Katmandu, Government of Nepal.