1. Research Scholar, Dept. of Civil Engineering, Indian Institute of Technology, Bombay, Powai, Mumbai 400 076, India.
2. Assistant Professor, Water Resources Development Training Centre, Indian Institute of Technology, Roorkee 247 667, Uttaranchal, India.
3. Associate Professor, Dept. of Civil Engineering, Indian Institute of Technology, Bombay, Powai, Mumbai 400 076, India (corresponding author).
4. Professor, Dept. of Civil Engineering, Indian Institute of Technology, Bombay, Powai, Mumbai 400 076, India.
5. Scientist, National Institute of Hydrology, Roorkee 247 667, Uttaranchal, India.