You can sell Bitcoin in various ways.you just need to know who wants to buy it. I know two most trusted site where you can sell your Bitcoin easily even your country does not allow Bitcoin.the site listed below: www.localbitcoins.com/‎ &  www.paxful.com/‎
 both sites are good for sell and buy bitcoin.just open an account and read the instruction how to use it.then you can easily buy or sell your coin there.also, you can search Facebook group and this forum has also a section for buy sell Bitcoin.you can also trade here.but don't forget about the escrow.