What is Charting in Indian Railways? - PNR Status
https://pnrstatus.vip/what-is-charting-in-indian-railways/
General Rules for Chart Preparation The first chart for any train is prepared by the authorities about 4 hours before the scheduled departure time of the train from the originating station. For the trains which are scheduled to depart early in the morning, the chart is prepared usually the night before the departure.
The first chart for any train is prepared by the authorities about 4 hours before the scheduled departure time of the train from the originating station.
For the trains which are scheduled to depart early in the morning, the chart is prepared usually the night before the departure.
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