The business model should (in most cases) adapt to your product. No the other way around.
I wrote two examples of how companies should adapt their monetization strategy to what their customers actually want the product to do, and not the other way around.
You can read them here:
Hope it helps explains what I mentioned before
The header of your query reflects problem around monetization model than business model. The descriptive content, ironically, is reflective of modus-operandi and legality of the same.
If I may ask, what is it that's becoming illegal in Indian context?