To cancel using the PDF:

| Feature | IRCTC Air Ticket PDF | Direct Airline E-Ticket | | :--- | :--- | :--- | | | IRCTC (as a travel agent) | Airline’s own system (Amadeus, Sabre) | | PNR | Two PNRs: one for IRCTC, one for airline | Single PNR | | Check-in | Use the Airline PNR inside the IRCTC PDF | Use the PNR on the airline ticket | | Validity | Legally valid – IRCTC is an authorized intermediary | Primary proof of travel | | GST Input | Yes, includes IRCTC’s GST invoice for claims | Yes, but often without agent charges |