I am thinking if this as more of a beginning than an end. I think with these restrictions in place India can possibly become the testing ground for purely crypto-to-crypto and p2p trades. There are to many parameters involved to say anything with certainty but this might be the best possible way to grow.
Lets also not forget that with millions of Indian living/traveling outside India on any given day not everybody will be cut from fiat to crypto. I know its a trickle but nevertheless......