Have you received any email confirmation from the data flow group since last sept. the filling of your documents? If not, most probably your documents have not been submitted to the data flow authority by the person you've authorized to run your papers. Knowing that, you didn't received any receipt from them (Did you pay the processing fee the amount of QR600). My advise to you is, find a potential employer here in Qatar and they will proceed your data flow processing including prometrics exam and evaluation of your application for license. Or you may have find a reputable agency in our country Philippines to lessen your hassle. Regarding re-evaluation of Data Flow according to my friend (who had recently acquire license from SCH. The Data Flow group will only re-verify your documents for few reasonable reason subject for re-evaluation.