Acknowledgements
The authors express their gratitude to the Department of Civil
Engineering, Indian Institute of Technology (IIT) Ropar, Rupnagar
(Punjab), India for technical support and Dr. Dara Entekhabi, Professor-
Bacardi and Stockholm Water Foundations Professor in the Department of
Civil and Environmental Engineering and the Department of Earth,
Atmospheric and Planetary Sciences at Massachusetts Institute of
Technology (USA) and Science Team Leader of NASA SMAP (Soil Moisture
Active Passive) mission, for his valuable appreciation towards
developing the final form of this study.