WAP-7 - तेरे जैसा यार कहाँ , कहाँ ऐसा याराना , याद करेगी दुनियां तेरा मेरा अफसाना. - Arjun Rai

Contd:
"There are certain long distance trains, which have end-to-end quota. A maximum quota is allotted to the train starting station and booking is permitted from source station to the destination station. The passenger can book from starting station to destination station out of this quota. At this location a small quota is allotted for the booking of passengers from a roadside station to the other roadside station, which is called PQ (Pooled Quota). When this quota is full, PQWL starts.
your reservation request is processed by the centralised Passenger Reservation System (PRS)...
more...

of Railways and allotment of accommodation is done by the System without any manual intervention and confirmation your ticket depends upon the cancellation and on existing railway rules. You will get the final status of your ticket after preparation of chart."