Flight International Airport departs from Doha International Airport at 19:10 and arrives at Trivandrum Trivandrum International Airport at 02:20.
The flighttime is about 4h 40m. The distance travelled ("as the bird flies"): 2910 Km. So the average speed is roughly 624 Km.
There is an 2.5 hour time difference between Doha and Trivandrum