¿ The thoroughly Revised & Updated 17th edition of the book "44 Years CHEMISTRY IIT-JEE Advanced + JEE Main Chapterwise & Topicwise Solved Papers" is an integrated book, which contains Chapterwise & Topicwise collection of past JEE Advanced (including 1978 - 2012 IIT-JEE & 2013 - 21 JEE Advanced) questions from past JEE Main 1978 to 2020 (Offline Papers) and 2013 - 19 (all Online Papers). ¿ The Book is divided into 31 chapters as per NCERT Book. With this new feature this book has become the 1st to adopt NCERT Chapterisation. ¿ Each chapter divides the questions into 2-4 topics which are further divided into 10 categories of questions - Fill in the Blanks, True/ False, MCQ 1 correct, MCQ more than 1 correct, Passage Based, Assertion-Reason, Multiple Matching, Integer Answer, Numeric Answer and Subjective Questions. ¿ All the Screening and Mains papers of IIT-JEE have been incorporated in the book. ¿ Detailed solution of each and every question has been provided for 100% conceptual clarity of the student. Well elaborated detailed solutions with user friendly language provided at the end of each chapter. ¿ Solutions have been given with enough diagrams, proper reasoning to bring conceptual clarity. ¿ The students are advised to attempt questions of a topic immediately after they complete a topic in their class/ school/ home. The book contains around 4400+ Milestone Problems in Chemistry.