43 + 19 years chapterwise solution is a series of three subjects – Physics, Chemistry and Matematics. It is a combined books for those who are targeting JEE mains and advanced both. It contains the previous 43 years papers of JEE advanced/IIT JEE and 19 years papers of JEE Main/AIEEE. Since JEE Main and Advanced questions are present in chapterwise format, it gives a better idea of difference in level of questions in two exams. It also guides students about the depth of understanding a topic required for a certain chapter and topic. The number of questions reflects which chapter is important for Mains and which is for Advanced. A student using this book strategically can come up with flying colour in both the exams.