Exhaustive oral questions including the most common and often asked ones have been painstakingly collected by the author. He has put them down in this book in a very original and innovative way to help students learn the answers and, in the process, develop a liking for the subject of Preventive and Social Medicine. Also these questions have been compiled and presented keeping in mind the increasing popularity of structured viva voce examination. An additional unique feature of this book is the interactive Recapitulating exercises at the end of each chapter. The book surely will be passport to success in the PSM oral examination.