look ... u have been given a seat .... but there are others who havent got a seat yet .... the people who dont confirm their seats ..... vaccancies will be created and the ones on the waiting list will move higher.... so now someone who has a better rank and is in your branch of choice doesnt book his seat .... u will be upgraded .... 14 is the date for those guys who get a seat alloted in the second round .... after vaccancies are created ..... ever seen a train waiting list .... well this is the same