Dear sir,
I like to submit that, the passenger makeing advance booking for reservation in advance as per railway rules, as per availability different waitlist tickets are also issued,few remote waight list tickets are issued , which were beeing conformed, two hours before the train departure, and it is not possible for the many remote passenger in the country to board the train with in two hours of trains departure, the booking passenger have to cancell the booking .If remote waitlist passengers conformation is conformed six hours before the trains departure, then only it is possible to use the conformation of reservation