The departure/arrival time is shown as N/A on my Indian Railways ticket

If you plan to travel further in the future the exact timetable may not be known yet. Indian Railways gives a disclaimer to avoid any misinformation due to changes in the timetable. Most of the train's departure times will be shown on the website. You can check your exact departure time 10 days before the departure here: https://enquiry.indianrail.gov.in/ntes/index.html

Tags: Indian Railways

OK

I don't have a booking number. I have not purchased a ticket yet.