FOR YOUR FATHER or any other male relatives EXIT PERMIT (who is under your sponsorship) YOU WILL HAVE TO VISIT MOI OFFICE (MADINAT KHALIFA / HAMAD HOSPITAL / HIA AIRPORT) and take exit permit by paying 10 QR.
if already paid through Metrash 2 then no need for hard copy or print out.
Remember for females exit permit is not required.
Hope it helps.