Revised service tax return

Dear Sir/Mam,

I wanted to revise the service tax return for the period APRIL-JUNE 2012 which was filed on 24th november 2012. We are unable to revise the return .when we click on fill revise return, it says"No return exist for the said premises" but while clicking on view option we find the return(ST-3) has been filed for the said premises and said period.

Please reply my question:

how do we proceed now??? as the limit of 60 days for revising ST3.