Flight Chhatrapati Shivaji International Airport departs from Mumbai Chhatrapati Shivaji International Airport at 00:50 and arrives at Melbourne Melbourne Airport at 18:10.
The flighttime is about 11h 50m. The distance travelled ("as the bird flies"): 7257 Km. So the average speed is roughly 613 Km.
There is an 5.5 hour time difference between Mumbai and Melbourne