Urgent- service tax

you will select the services, there is a search button which opens up a new popup window containing list of all services from where Assessee can select multiple services. In case you have providing new services from the same premises after his registration, you will be able to file returns for this service as well by adding the service to his returns form. The Taxable Service selected should be valid for the period for which return is being filed.

Please provide me procedure for refund of intrest on service tax paid by me twice. Please also provide me prescribed application form.