1. Associate Professor, Dept. of Civil Engineering, College of Technology, G. B. Pant Univ. of Agriculture and Technology, Pantnagar, Uttranchal, 263-145, India.
2. Associate Professor, Dept. of Irrigation and Drain. Engineering, College of Technology, G. B. Pant Univ. of Agriculture and Technology, Pantnagar, Uttranchal, 263-145, India.