Ans: You can book a maximum of 6 passengers on a single train ticket booking. For tatkal tickets, the maximum number is 4 persons per booking. Two children below 5 years are allowed per booking, but not ticketed. The details of these travellers are also to be specified while booking, though they are not mentioned in the tickets. You can choose a berth preference for each passenger. You also choose the option to book the ticket when all berths are confirmed or all berths are in the same coach or if only one or two lower berths are provided.