Welcome to India Rail Info.
GNWL/WL= GENERAL WAITLIST/WAITLIST
General Wait List (GNWL) or General Quota wait list is a type of waiting list in Indian Railway. The main quota for a train is called the General Quota, the General Quota is normally for passengers boarding at (or close to) the train's originating station, and travelling to the terminating station (or at least most of the route), when all the General Quota tickets are sold, a General Wait List (GNWL or just WL) is started.