Igi delhi airport is one of the best and biggest airport of asia and it also ranked 5 in world top airports because its service is great and they have large number of staff which is really treat well and controll thier passengers very well the airport is very big in area and it is very clean airport and you can take national and internation almost all fligts from here. So if you are planning to going somewhere you should deffinetly check ticket price because airways is better than roadways.