Interest in case of appeal

Dear All

Our case for AY 2004-05 was under appeal with ITAT. Now it has been ruled in our favour and the refund is in process. We will be getting tax paid along with interest.

Now suppose department moves to high court against ITAT order and eventually High court gives the order in favour of department, then we have to pay the tax amount with interest. Will that interest be calculated from the current date of receiving interest or from the AY 2004-05.

Please reply