This book provides comprehensive insights into the field of Psychiatry. It elucidates new techniques and their applications in a multidisciplinary approach. Psychiatry is an extensive field of study related to the diagnosis and treatment of mental, emotional and behavioral disorders. It is an area of medical science which deals with all kinds of mental problems and works to provide mental well-being to every human. This book is an essential guide for readers who want a detailed analysis of this subject. It will serve as a valuable source of reference to graduate and post-graduate students. Case studies of various countries across the globe have also been discussed in this book, in order to provide it a global perspective.