What is PQWL/AVAILABLE in IRCTC ? Pooled Quota Waiting List ( PQWL )

PQWL: A Pooled Quota Waiting List (PQWL) is shared by several  small stations. Pooled Quotas normally operate only from the originating  station of a route, and there is only one Pooled Quota for the entire  run. The Pooled Quota is generally allotted for passengers travelling  from the originating station to a station short of the terminating  station, or from an intermediate station to the