Fundamentals of Material Science is an indispensable guide designed specifically for undergraduate engineering students following the curriculum of Jharkhand University of Technology. Authored by a team of experienced educators and industry experts, this book presents a well-structured and accessible overview. It covers a broad range of topics, including the structure of materials, properties of materials, material characterization techniques, and the relationship between microstructure and properties. The book emphasizes the fundamental concepts of material science, providing a solid foundation for future specialization and advanced studies. It employs a logical progression of topics, starting with atomic structure and bonding, and gradually delving into crystallography, imperfections in solids, and phase diagrams. The discussion then expands to cover mechanical, thermal, electrical, and magnetic properties of materials, followed by an exploration of material processing techniques and the influence of processing on material properties. It is designed to cater to the specific requirements of the curriculum, ensuring that students receive the necessary knowledge and skills to excel in their academic pursuits and future careers. Whether studying mechanical engineering, electrical engineering, civil engineering, or any other discipline, this book will provide a solid foundation in material science, enabling students to tackle real-world engineering challenges with confidence.