This edition is revised and updated with new chapters. Keeping up with ICD-10 and DSM IV the classifications in Psychiatry have been revised completely. The chapter on Neurotic Disorders or Neuroses has been revised and updated. The chapter on Indian Psychiatry Legal Aspects is also revised keeping up with the new Mental Health Act of 1987. A chapter on Psychological assessment is added and a new sub-topic Dementia is added in the chapter on Neuropsychiatric disorders in old age. The main aim of this book is to provide a bird s eye view of everyday Psychiatry, emphasizing the problems of clinical diagnosis and management. This book is mainly meant for medical students and general practitioners. This will also be useful to paramedical students also.