Author name: Sanjeev Kumar- (Rishi Sir)

Sanjeev Kumar (Rishi Sir) is a highly respected Physics educator with 15+ years of teaching experience. A Gold Medalist in M.Sc. Physics, he has taught at leading institutes such as Aakash, Pathfinder, Narayana, and Brilliant Tutorials. He specializes in CBSE, ICSE–ISC, IB, NEET, BITSAT, and IIT-JEE (Mains & Advanced) preparation. Known for his concept-based and result-oriented teaching, he has guided thousands of students to success in board and competitive exams.

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