The book presents the basic concepts of the project management techniques namely PERT & CPM. It is primarily meant for the students studying in various universities for their first degree course in Engineering, Commerce and Management. It will also be useful for the students taking professional examinations of the Cost and Works Accounts, Chartered Accountants and the Institution of Engineers. The inservice personnel working in various projects would also find the book quite useful. In the treatment of the subject emphasis has been laid to present it in a simple language so that it may be easily understood by the readers. The text is profusely illustrated with diagrams. All important concepts are illustrated with worked examples and a large number of problems and multiple choice questions are given. Thus the book will be useful for the various competitive examinations such as Engineering Services and ICS examinations.