Problem regarding ca final teacher

Hiii everyone...

I m very confused about CA final teacher for SFM. Is Rajiv Singh Sir good for SFM? Should i take classes of Rajiv Singh sir. Some of my friends told me he is not a good teacher at all, but some are saying that he is a very good teacher.

So,plz help me out whther should i take classes from him or not?

Thanks and Regards

Khushboo