Usually I use all the airport lounges thru the various priority passes or through the cr card reward facilities but hyderbad airport needs to really improve its menu. Often the replenishment I slow .
If u wish to taken a non member or family member additional cost would be appx 1000+ for one person which is not at all worth it looking at the spread.may be they want to restrict entry.
Other wise the lounge is a muat visit bto relax and they update and announce on the flight details and status.
Washrooms also available below and a group pf 6 people can easily sit together .must try.