There is no UKBA. They were disbanded in March 2013 due to being unfit for purpose.
In order for anyone to help, you will have to give more information on your current situation.
What category of visa do you currently hold?
(Casa, not CR001)
Please don't send me PMs asking for immigration advice on posts that are on the open forum. If I haven't responded there, it's because I don't have the answer. I'm a moderator, not a legal professional.