This book is presented with an objective to meet the requirement of the students of Indian universities securing graduate program especially in "Hybrid and Electric Mobility". A hybrid electrical vehicle is a type of hybrid vehicle that combines a conventional l.C. engine system with an electric propulsion system. This book contain total twenty one chapters divided into seven units. The first unit starts with "Introduction to hybrid and electric vehicle" which contain four chapters which introduce learner to history of e-mobility, basic terminology, classification of EV and environmental aspect of this technology. In the second unit "Vehicle architecture" cover two chapters which focused on architectural aspect to help learner to understand different layout of HEV and EV and its classification based on it. In the next three units, third, fourth and fifth units deals with explanation of working and control of important component of EV. In sixth unit contain three chapters and discuss energy management system of EV. Energy management is very important aspect in electric vehicle as it carried entire power source within itself. In the last seventh