With ever changing pattern and syllabus, JEE Main and Advanced tests the conceptual knowledge of the aspirants by asking problems on the real-life applications on all 3 subjects; Physics, Chemistry and Mathematics. Keeping this mind, we have upgraded our best-selling series since its first edition "Understanding Physics JEE Main and Advanced” written by renowned author, D.C.Pandey which carries five fully comprehensive textbooks presenting 36 essential chapters of Physics.