An excellent response to previous edition, We feel great pleasure in presenting fully revised edition of the book “GRB Advanced Problems in Organic Chemistry for JEE (Main & Advanced)” according to latest pattern of examination. Attempt has been made to rectify errors in answers, printing mistakes has been removed so, this edition is nearly errorless which will be more useful for students and respected faculties. The study of Organic Chemistry requires at least three processes : Learning, Understanding and Application. A very good way of achieving it, is through solving the problems. We do hope that the new revised edition of the book will be more useful to the students and learned teachers. Suggestions for further improvement of the book will be gratefully acknowledged.