If you are married person then given salary you cannot bring your family to the country, 6000 QAR you just a live a normal life. 1000-1500 QAR for food, 300 QAR for transport other than your office transport to got office, 150 QAR for telephone , 100 QAR for internet ( normal user without much of video streaming) , if you are into great night life then every weekend partying would cost you 500-750 QAR , if you are not into it , you can save between 2500-3000 QAR monthly.