I don't know what is the use of asking this question trillion times in QL. How do QLers know the reason for rejecting your family visa? You should find out the reason from the Immigration Department. The minimum salary requirement is 10000 Riyals if Company accommodation is not provided. You mentioned that it is a must for your daughter to be in Qatar to go for her higher studies. Did you ever think of an alternative if you are not able to bring her here?