MADAN MOHAN DAS, M.S. (Cornell University, USA), Ph.D. (University of Strathclyde, UK), formerly Professor, Civil Engineering Department, Assam Engineering College, Guwahati. An Emeritus Fellow of AICTE, Director of Technical Education, Government of Assam and a Telford Premium Award 1981 winner jointly with late Emeritus Professor D.I.H. Barr of University of Strathclyde for one of their research papers by the Council of Institute Civil Engineers (ICE), London, he has more than four decades of teaching experience and three decades of research experience. Dr. Das has authored eight books, including Fluid Mechanics and Turbomachines, Open Channel Flow, Irrigation and Water Power Engineering, Hydrology, Surveying, Elements of Civil Engineering, Basic Engineering Mechanics and Strength of Materials and Structural Analysis (all published by PHI Learning). He has published/presented more than 62 research papers in national and international journals and conferences. His research interest includes hydrodynamics, free surface flow, irrigation, water power engineering and hydrology and other civil engineering subjects.