Here is your query answered.

To take care of all security issues on airport,observing everything that violates law and order.ASI gets around 36000 starting salary package and get extra night allowance for night duties.Duty hours 8 but in emergency case extended to 12 hours(seldom cases). Inspector is dealt in BPS - 11.
Duty is very easy and charming as its connected with social circle.
Deepest Regard's

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I am proud that i was born as contrarian that's why i respect critical faculties and rational approach.