You can sell your Bitcoins on any of the Indian exchanges like:
Pcex member
Unocoin
Coinsecure
Zebpay
PCEX member and zebpay are a trading platform the company will buy Bitcoins back from you. You will get the money in your bank account.
You can use Fastest and easiest way to buy and sell bitcoins It is a P2P exchange platform. Different people have listed Bitcoins and their price. You can also list Bitcoins their and someone can buy from you. You can sell via Cash, bank account or Paytm transfer, its up to you.
Lastly many people are interested in buying Bitcoins from an offline store. You will find an individual in your network who is willing to buy Bitcoin from you.

Read more to Sell Bitcoin in India : https://www.pcexmember.in/buy-btc-online-india