anyway atleast i know now which is good airport..I always flight in either terminal 1 or terminal 2 they doing their work good and good service..But wont ever flight in terminal 3 anymore..its my first and last flight in that airport/airlines.the terminal 1 and 2 always give last call for boarding and letting the people to go in front of line if its their boarding time but in terminal 3 didnt even have a last call..they only say boarding and the plane left!The immigration are bad as well even ur turn they will put u in the end of the line and close their booths and little immigration working and will result in missed ur flight/buying again ticket as they take too long coz they are too busy to talk to in their phones and even put in front of line the other who is not yet boarding..