Inside Terminals
Smoking areas are available after Security on both International and Domestic Terminals.
Domestic
T3 Departure:
There is one right before entrance to gates, near Dilli Street Restaurant, Opposite WH Smith (Google Maps Location):
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Smoking zone at First Floor, right next to the Bars:
There is another Smoking area right at the entrance of the Gates area:
T3 Arrival:
Smoking Zone available just before the Escalators that go down to the Baggage Claim area, there is also a Cigarette Shop attached to it.
T2 Departure:
There is a Smoking Zone available right at the Food Court.
Outside Terminals
Smoking Zone is available outside T2 Arrivals near Parking Entrance.