Flight International Airport departs from Doha International Airport at 22:15 and arrives at Mumbai Chhatrapati Shivaji International Airport at 04:25.
The flighttime is about 3h 40m. The distance travelled ("as the bird flies"): 2387 Km. So the average speed is roughly 651 Km.
There is an 2.5 hour time difference between Doha and Mumbai