An excellent response to the ninth edition, we feel great pleasure in presenting fully revised tenth 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. This book deals with objective problems of each chapter which include Single Choice, Multiple Choice, Matching Type, Comprehension Type, Integer Type Problems and Subjective Type Problems. Exercise-1 in every chapter contains two levels, Level-I (Easy problems) and Level-2 (Difficult problems). This book is highly desirable that students, particularly those who work very much on their own, should have a mean of achieving confidence in organic chemistry 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.