This exclusive DAMS material has been prepared by our excellent faculty and Medical Editorial board from standard books including, Kaplan and Sadock's Synopsis of Psychiatry, New Edition, Oxford Manual of Psychiatry, Niraj Ahuja's Psychiatry Textbook DSM 4, DSM 5 and ICD 10. The text is concise and easy to revise. A set of multiple choice questions has been included at the end to help consolidate the topic.