How many passengers can travel with one confirmed ticket in any class in IRCTC? under one pnr six passenger book in any class. if out of six one is confirmed all remaining five can travel in same class but birthh can allot only confirm passengers.

In the standard Global Distribution Systems (GDS) used by the airline industry, a single Passenger Name Record (PNR) can typically accommodate a maximum of 9 passengers. This is a legacy technical constraint that ensures the record remains manageable for airline systems and security agencies. If you are traveling in a group larger than nine, the booking must be split into multiple PNRs, which are then "TCP" (To Complete Party) cross-referenced in the system's remarks so the airline knows the groups are traveling together. For low-cost carriers or specific codeshare agreements in 2026, this limit may even be lower; for example, some systems restrict online bookings to 4 or 6 passengers per transaction to prevent fraud and simplify seat mapping. For "Group Bookings" (usually 10+ people), airlines use a different "Block Space" system that creates a master record, but individual names are often not finalized until closer to the departure date.