This is an excellent topic, as (often referred to simply as "ML Khanna") is one of the most legendary and debated books in the history of the IIT-JEE (Joint Entrance Examination) preparation circuit.
Open ML Khanna for that chapter. Skip the theory entirely.
Complete your NCERT + Basic Coaching Material (e.g., Allen Modules) for a chapter.
Treat it like a , not a mock test simulator. If you can solve 70% of the "Tricky Problems" in ML Khanna's Calculus section, you will find JEE Advanced's calculus problems easy . But for Coordinate Geometry and Algebra, use modern books.