Tatkal Ticket Booking Rules: Timings, Aadhaar OTP and Tips

The Tatkal ticket booking rules decide who gets a last minute train seat, and they have tightened in recent years. Tatkal is the quota Indian Railways opens one day before travel for short notice journeys. Here is how the timings work and what has changed.

Tatkal ticket booking rules and timings

Tatkal seats are a small part of each train’s quota. They open one day before the date of journey from the starting station. So for a Friday train, booking starts on Thursday.

AC classes open at 10 AM, and sleeper and other non AC classes open at 11 AM. These are the windows referred to in the Railway Ministry’s rule changes, as reported by All India Radio. Because seats sell out in minutes, a few seconds matter.

Aadhaar OTP and the new rules

From July 2025, Railways said only Aadhaar authenticated accounts could book Tatkal tickets on the IRCTC website and app. An Aadhaar linked OTP was also added for online Tatkal booking. News reports gave two start dates for the OTP step, so check IRCTC’s own notices for the current position.

Counters and authorised agents follow a similar idea. Tatkal bookings there need an OTP sent to the mobile number given by the passenger. The aim, according to the ministry, is to stop bulk booking and give seats to genuine travellers.

Why agents wait 30 minutes

Authorised agents are not allowed to book opening day Tatkal tickets in the first half hour. That means 10:00 to 10:30 AM for AC classes and 11:00 to 11:30 AM for non AC classes. As a result, ordinary users get a head start in that window.

Tips to improve your chance

First, link and verify your Aadhaar on IRCTC before the day. Doing it at 9:59 AM is too late. Next, save passenger details in the master list so you do not type during the rush.

Also log in a few minutes before opening, and keep your payment method ready. UPI or a saved wallet is usually faster than entering card details. Then choose the train and class in advance, so you click only once the window opens.

Finally, keep a backup plan. If Tatkal fails, read our guide on waiting list tickets and RAC to see how confirmation works. You can also plan earlier with the advance reservation period, which avoids Tatkal altogether.

Refunds on Tatkal tickets

Tatkal is meant for firm plans. As a general rule, confirmed Tatkal tickets are not refunded on cancellation, and Tatkal also carries an extra charge on the base fare. Rules can change, so read the current terms on IRCTC before you book. The source for the booking changes is All India Radio’s report on the rules.

When Tatkal is not the best option

Tatkal fares are higher than regular fares, so it is not always the cheapest choice. If your plan is firm, booking in the normal window is better. Also, seats that remain vacant after the reservation chart is prepared can sometimes be booked online as current availability. Check IRCTC for the train you want, because this depends on the train.

FAQ

What time does Tatkal booking start?

AC classes open at 10 AM and non AC classes at 11 AM. Booking opens one day before the journey date.

Is Aadhaar mandatory for Tatkal tickets?

For online booking on IRCTC, the Railways said only Aadhaar authenticated users can book Tatkal tickets. At counters and through agents, an OTP to the passenger’s mobile is required.

Can agents book Tatkal tickets at 10 AM?

No. Agents cannot book in the first 30 minutes of the AC and non AC windows. That gives individual users a short head start.