Originally Posted by
mrsolution
90 mins is probably just about enough time to deal will the transfer. I also believe you must go through immigration as T2 is for domestic flights. From what I remember, the flow would be Airplane -> T3 -> immigration and visa check -> train from T3 to T2 -> Check in at T2.
Both T2 and T3 have domestic and international areas.
You cant transfer airside between T2 and T3.
And you dont tak train between T3 to T2.(you could. but its not what you should. and not possible T2 to T3)
You take the free shuttle bus.