The trick is to check after chart preparationThe reservation chart tells the railway which seats and berths have been allotted. Instead of assuming that a prepared chart means “no ticket available”, passengers can check the train again on IRCTC. The biggest advantage: it is a confirmed ticketThere is an important difference between Current Booking and joining a waitlist. How to check vacant seats on IRCTCPassengers can look for vacant accommodation using IRCTC’s Charts Vacant facility. IRCTC says Current Booking is permitted after charting and within the existing booking time limit specified by the Railways.