If you are studying from a PDF, the biggest challenge is active engagement. You cannot underline or scribble in the margins as easily. Here is a strategy:
: Almost all advanced problems now come with detailed, step-by-step explanations to assist with self-study. Mock Tests & PYQs
While Modern Physics is high-yield, Electromagnetism (Electrostatics, Magnetism, Current Electricity, EMI) is the bulk of Volume 2. This is where ranks are decided.
"GRB Physics for Competitions" (Volume 2) by is highly regarded because it bridges the gap between basic board exams and high-level competitive physics. Why Students Use This Book