MADAN MOHAN DAS, MS (Cornell University, USA), PhD (University of Strathclyde, UK), has been Professor, Civil Engineering Department, Assam Engineering College, Guwahati. An Emeritus Fellow of AICTE, Director of Technical Education, Government of Assam and a Telford Premium, 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 is the author of nine books, all published by PHI Learning. He has published/presented more than 63 research papers in national and international journals and conferences. His research interest includes hydrodynamics, free surface flow, irrigation, water power engineering and hydrology.