Need help deciding teachers to follow

As the tile suggests, 26tard soon moving to 12th and I wanted to know your opinion as to whom I should follow for 12th JEE, I have confusion btwn Rajwant Sir and Saleem Sir, Tarun Sir and Ashish Sir. And for other subjects I have decided on - PC: FAIZAL SIR, IOC: OM SIR, OC: RA SIR