At Time Of Charting All Unused Quota Seats Are Allotted To RAC/WL Passenger.
At Time Of Charting After Utilizing All Available Seat If Still Your Ticket Is Left In WL/RAC & Seat Are Available In 3A Them You May Be Upgraded To Higher class(Only If You Have Opted For The Same).
If No Seats Are Available In Higher Class 3A Your Final Status May Be RAC/WL.