This book namely "Introduction to Fluid Mechanics" contain the chapters like Properties of Fluids, Fluid Statics, Fluid Kinematics, Fluid Dynamics, Dimensional Analysis, Flow through Pipes, Pipeline Systems and Hydraulic Machines. It has been written with a view to cater the need of undergraduate engineering students. This book is written strictly in accordance with the new syllabus introduce by MAKAUT (Maulana Abul Kalam Azad University of Technology, West Bengal, India) for the 4th semester students of Civil Department under B.Tech Degree Courses.