Cryptocurrencies are widely used in India and I am sure it will have a bright future.
No doubt we are only able to forecast and estimate as we do not truly know the future days, but I can say that Bitcoin and blockchains will never ever be ignored and will be a lot more used in the upcoming 5 years. Honestly, you will never know everything by only reading this post. For latest updates, news you need to join the communities and cryptocurrency forums to be up to date all time. It is the only way you will know everything you want to know.