WL/AVL- 3 Conditions:
1. No Booking permitted: WL/AVL*- Chart been prepared & it have berth remaining vacant, which cant be booked!!
2. CNF Status in PNR: Booking will lead to CNF printed on Status (On Ticket) & PNR check will show CNF!!
3. WL Status in PNR: Booking will lead to CNF printed on Status (on Ticket) & PNR Check will show WL#1 (Have...
more... seen this for Rajdhani booked ticket for me, which got cleared later on)