Registration revocation related querie

Registration have been cancelled due to non filling of gst return by the gst department . supplier filed revocation application after due date i.e after one month of the cancellation of gst registration but department rejected revocation application on dated 14/01/2020 after that supplier have filed appeal but not relief. After that gst councel 39 metting declare that gst registration revocation can be filed up to 30/06/2020 if registration cancelled before 14/03/2020 . but now gst portal not allowe revocation application and portal shown a message you already filed revocation filed. how to filed revocation application for gst registration.