For most train travelers in India, reservation charting is a mysterious background process. However, understanding how and when charts are prepared is one of the most powerful ways to secure seats, especially when utilizing last-minute current bookings. This guide explains the strict timelines of chart preparation and the complex rules surrounding intermediate boarding stations.

Timeline of Chart Preparation

The preparation of reservation charts follows a strict schedule regulated by the Centre for Railway Information Systems (CRIS):

  • First Reservation Chart (Chart 1): Prepared at least 10 hours before the scheduled departure of the train from its originating station. All charts are prepared 10 hours before departure regardless of the time. Once Chart 1 is finalized, the general reservation database is closed, and the train enters the 'Current Booking' state.
  • Current Booking Window: During this period, passengers can purchase tickets online or at station counters for any vacant berths listed on Chart 1. These tickets are sold at basic fares with no extra charges, and are immediately confirmed. No waiting list tickets are issued during Current Booking.
  • Second Reservation Chart (Chart 2): Prepared 30-15 minutes before the scheduled departure of the train from its originating station (or from the respective boarding station for intermediate stops). Chart 2 incorporates any last-minute bookings made during the Current Booking window and accounts for cancellations made after Chart 1 was prepared. Once Chart 2 is finalized, no further changes can be made to the seat allocations.

Intermediate Charting Stations & Remote Locations

A common point of confusion is how charting works for passengers boarding at intermediate stations. A long-distance train running from Delhi to Chennai halts at dozens of stations. Not every station has its own charting office. Instead, the railway groups stations into 'Remote Locations' (RL) or 'Pooling Zones,' each governed by a primary charting station along the route.

For example, if you are boarding at station C, and its primary charting station is station A, the chart for your boarding point is prepared when the train is 10 hours away from station A, not station C. This means your current booking window opens much earlier than you might expect. Understanding this relationship is vital for securing seats, as waiting until 10 hours before the train reaches station C might mean the current booking window has already been open for hours and all seats have been taken. Our platform maps these relationships to ensure you search at the exact right moment.