Its a complicated issue as far as Karwa is concerned,
by and large, judging their hitherto behaviors, it may take ages to teach basic discipline to them, by the time you, me or the most affected public may not be here. They have to realize what harm they do to others, if not only way is, the management has to erect a make shift porta cabin in any corner exclusive for all smokers and screw those guys who smoke outside in public with a penalty. This should be made general for all terminal users.