Ashwani Kumar Gupta popularly known as A.K. Gupta Sir among his students is a renowned Physics teacher. He has been successfully teaching Physics for students appearing for Class XI and Class XII as well as preparation for high competitive exams such as Medical, NEET, I.I.T, SAT, IB. With more than 30 years experience he has become a synonym for teaching Physics topper among the top Schools in Delhi and Gurgaon.