When I have been through, there was a small sign at the head of the right side queue at security stating clearly it was for F and J (and iirc cabin crew.) The airport monitors who wander the queues seem to spend more time strutting and acting as if they were important than actively guiding passengers. For me, it is much easier to just head to the front of the right hand queue and ask - five minutes at most, as opposed to one hour+ in the DEL security queues.
Originally Posted by sinanju
My experience was that there was no accounting for status or class in any queue -- I and my travelling companion checked more than once in the security line. Only once a flight was in danger of being late due to passengers who had made it through check-in but had not cleared security were airline representatives sent out to move people forward in line. Otherwise, security scanned the queues and actively discouraged moving forward for any reason.