In worst case, you will have still backup way to withdraw your investment by sending your cryptocurrency to your friend or relative, who is in crypto currency allowed country. Then simply get your money via paypal or any other third party. This worst case scenario will include third party transection fees.
I think Maybe you should check a few words more carefully before your breasts fly with anger and horror. Most of the time the 'ban' is the first.
As always there is a world of difference between banks that are prohibited from selling your Bitcoin and all the 'restrictions' that actually cover that is not even possible.