This Salary is Ok if you prefer Bachelor life in Qatar,

Your housing would be shared if you require good savings 

 and your food would cost somewhere around 1000 Qrs

if you were to eat at some indian restaurants that serve 

for low income people and would cost more than 2000 otherwise

How about your transportation? is it Company provided? 

Shared housing is available from 600-1500 and above 

Single bedroom would be 2000 and above if private

Being with your wife here would cost you somewhere about

3000-3500 + transportation.