They offer a user-friendly option that allows passengers to quickly and accurately check the train seat availability, and the process can be completed in just a matter of moments. Here is a detailed explanation of how to see the train vacant chart and book your preferred seats or berths on a running train : Once the final reservation chart is prepared, which usually happens about 3–4 hours before train departure, unbooked or cancelled seats are marked as vacant . IRCTC Chart Vacancy Did you miss booking that perfect train ticket? The chart vacancy IRCTC system can be your travel saviour. This ingenious system empowers you to see real-time availability of vacant seats and partially filled berths, giving you a better chance of securing a last-minute spot. This ingenious system fosters fairness among passengers. Gone are the days of travellers relying solely on conductors (TT) to arrange an empty seat on Tatkal bookings. With chart vacancy IRCTC, you ... Check IRCTC seat availability for any train . RailMitra shows train seat availability in real-time. Enter train details and class of travel to know the available seats .