Previously it took time, but now things have changed, and you can expect sign ups and verification on the same day itself!
And there are no fees to deposit/withdraw fiat money.
And there is only a nominal 0.25% buying fees (trade fee) only for the time being, and no sell fees as well.
Consider joining with my referral link on the post to get ₹50 free when you register. :)
And also check out koinex.in/fees
RE: Koinex Indian exchange review!