1. Lecturer, Centre for Water Resources, Jawaharlal Nehru Technological Univ., Hyderabad 500085, India.
2. Professor of Water Resources and Coordinator of CEA & WMT, JNTUH, Hyderabad 500085, India (corresponding author).
3. Special Project Scientist, International Water Management Institute, Hyderabad, India.
4. Postgraduate Student, Centre for Water Resources, Jawaharlal Nehru Technological Univ., Hyderabad 500085, India.