Bitcoin is not owned by India. Nobody in the world can ban Bitcoin because in order to do that, they will have to shut down the internet. For ever.
However, Indian government can block Cash to Bitcoin conversion and vice versa by shutting down Cryptocurrency exchanges
Simple Solution for Savvy Traders & Investors - LOCALBITCOIN

Localbitcoin is the world's biggest over the counter or peer to peer Bitcoin trading website. In short there is no Exchange software but they will connect you with people buying or selling Bitcoin to you - Anywhere in the world.