This book explains the subject of three phase induction motors in simple language with practical examples for easy understanding by every reader. It covers basics, construction, protection and testing of three phase squirrel cage induction motors. Energy efficient motors, canned motors and motors for nuclear power plants have been dealt with in adequate depth. The book has been written in a question and answer format, which increases the curiosity of the readers and encourages them to go deeper into the subject. It will definitely be helpful to all engineers, supervisors and technicians in the field on electrical engineering and those associated with procurement, production, testing and maintenance of three phase induction motors. The focus of this book is to help the candidates appearing for various interviews.