This book is not merely an addition to the existing list of books on MCQs but a sincere ambition and an honest attempt to make it a useful and practical companion to both medical graduates and postgraduates. The present book consists of original solved MCQs from the Question Banks of various important examinations (AIIMS, Delhi, PGI, All India, etc.) Important text, original solved MCQs and the explanations and review papers have also been added.