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currently all indian exchange is working. They will close in few days.
You can buy directly from other steemians, who want to sell.
Or some websites which are selling directly bitcoin from users etc. your can check this post
https://steemit.com/bitcoin/@hungryhustle/top-p2p-cryptocurrency-exchanges-indians-can-use-to-counter-rbi-s-crypto-ban

Would like to take some more tips from you.can I talk to you on whats app or FB.to learn some basics.

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