1. Housing:
6000 QAR for 2 bed rooms + 2 bathrooms + kitchen + Split ACs, non furnished apartment in center of Doha.

You can share your apartment with any colleague.

2. Food:
2000 to 2500 / month (outdoor meals).

3. Car, 1600 QAR/ month - Nissan Altima 2012 installment.

4. Feul, 1 QAR/ liter, will need around 300/month (depends on ur movement).

5. Entertainment: 400 QAR/ month.

these are the basic infos u might need.

Good luck