booked cnfrmd tkt in 2AC for 26/07/14 till MMR, want to book till KPG but it was showing PQWL/WL4, but got confrmd tkt till MMR, so can I extend my journey till KPG by this train only in the same seat, dont understand the logic why got cnfrmd tkt till MMR & why not till KPG, will be going to Shirdi