NO! yellowcloud
They can only get verification on the information you supplied.
Current balance (ie July 18 2012) is not allowed to be asked or given.
If you supplied a bank statement to UKBA that showed a balance £100 on April 20th 2012 they can ask for confirmation of that.
They cannot ask about you 'current balance' . They can only request verification that the balance on the date of xxxxx was ££xxxxx
They cannot ask for nor be informed about 'unknown personal information'
OK