Couple of exchanges are still processing withdrawal and deposit but I am personally not comfortable dealing with them. The reason is that theses exchanges are new for me and not popular like zebay, koinex or wazir etc. May be i am wrong but I can't rely on them. At this point of time I would prefer to use p2p in reputed ones rather than going for these.
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Giottus has a very active Telegram channel as well and has proven to be very reliable so far. PocketBits is a well known exchange in the space now. However Oxybits is not something I'm very familiar with. It's one of the smallest fish in the exchange sea clearly! But it's good to try it yourself and do your due diligence before proceeding and never hold any coins with any Indian exchange as a rule of thumb.