This Book is ready to be with readers, after experience of more than 20 years. Useful for all engineering and managerial professionals, particularly in developing countries where valuable time, money and quality of infrastructure construction projects are being lost due to unplanned and unmanaged risk factors. Professionals are derailed because of them being unable to take decision at right time. This book is divided into four chapters; ¿Risk in Infrastructure Construction Field and Theoretical Perspective¿, ¿Risk Identification in Infrastructure Construction Field, ¿Risk Analysis in Infrastructures Construction Field¿ and ¿Risk Response in Infrastructure Construction Field¿ in first, second, third and fourth chapters respectively. This Book has covered theoretical and practical knowledge in the working field. In each chapter introductory part is given at the beginning followed by concluding remarks at the end. The objective of this book is to potentiate the building capacity of professionals in engineering and management field, who are on infrastructure projects and are suffering from dilemma, so as to ultimately benefit and enhance the projects that they are working on.