There are several Exchanges getting opened to trade bitcoin and ripple.As you all know Bitcoin prices raised from ground to sky.Bitcoin is a digital currency and our future mode of payment would be.So i will list you some exchanges from where you can buy and sell your cryptocurrency.
1.www,zebpay.com (Buy Bitcoin and Bitcoin cash)
2.www.bitbns.com (Buy Bitcoin and ripple)
3.www.koinex.in (Currently not taking new registrations)
So this are 3 exchanges which i personally use and recommend you guys if you want to purchase and trade bitcoin and other coins.
Happy Trading ! Goodluck