I was a RAO student from the year 2014 to 2016. According to me this is the best classes I have been. The head of Rao IIT Academy, Sir B. V. Rao have taught us. He is one of the best chemistry in INDIA. All the faculty member are interviewed by him personally. All the faculty members are IITians or NITians and the way of their teaching is just awesome.
I would refer others to join RAO IIT Academy if you want to crack JEE Mains.