The Indian Railways IRCTC website is improved a lot. Now, it's much more faster than the previous one. Train reservation opens at 8 AM, or 10 AM if you booking a tatkal ticket.
Tickets are booked within few minutes as soon as the booking opened. So, book a ticket on a IRCTC website is a difficult task. If you lose your focus for a seconds, then, there are higher chances that you won't get the confirm ticket.
The IRCTC Autofill tool improves your chances of getting a confirm train ticket.
First click on the below reservation form and fill the passenger details and click on the submit button. Now drag the Done button to the bookmarks toolbar of your browser. That's it. When you are on the Indian Railways website (irctc.co.in), click the button in your bookmarks to fill the reservation form with one click. And all passenger details will be filled automatically.