|You can't. The user has no control at all over the IP address they get. Your IP address is allocated by you ISP and as you are in Bahrain you will get an Bahrain IP address. To try and circumvent the restrictions that are obviously imposed by the Bahrain Government, it could get you a good view of the wrong side of a cell door.|
There are also good reasons why PalPall insist on a UK IP address for a UK based account and it is all to do with money laundering and other potential illegal activity. Circumvent those rules and you will have the British authorities asking some relevant questions.