I think the last Comission (Sachar?) put you just a few percent points below Hindus. Though obviously both are well below the other minorities (but they barely count numbers-wise).It is a misconception that all Indian Muslims are poor.
There are many middle income and rich Indian Muslims.
Babukhan estates in Basheerbagh was the landmark in Hyderabad when Jubliee hills were just hills and Gunrock was just rocks.
Statistics can be made to say many different things while saying the same thing again and again.