from the Indian railway gov. If Your journey Date is 15 Oct 2012 Then You can Book Tickets one day before on 14 Oct 2012.
In India you must be aware of How difficult It is to get Tatkal Ticket Booked Online. The feeling when you a get a confirm Tatkal ticket is the same as if you Pass in board Exam.
Apart from the Internet connection that you are using, one of the most important factor between you and your confirmed booking is Time. You need to be very quick while you book a tatkal ticket and if you’re not a fast typist you may end up filling passenger detail form just to find that there are no seats left. For Tatkal tickets, IRCTC website opens at 10:00 AM in the morning and you have to be quick enough to fill the passenger detail form which can improve your chances of getting a ticket.
You can get tatkal ticket either through railway counters or through IRCTC. Getting tatkal ticket from IRCTC is a tough task for trains with a lot of travelers. But considering the difficulty of standing in queue in railway ticket counter in the morning itself, online booking is easy
Tips to get Tatkal ticket
Start Early To Do Initial Steps
Remember to log in to IRCTC site 4 minutes before 10 o clock and make your system clock time and the time shown in IRCTC site the same this will hep you to track time and know exactly when 10 'o' clock is reached according to IRCTC timing. If you are logging in very early, try to keep your session active by clicking in differently links inside the site,otherwise by 10 o clock your session may expire. By some 9.59 am rest by selecting some link other than Plan My Travel link. Because at exactly 10.00 am in your computer (same as IRCTC time as you have synchronized it) you need to click Plan my Travel link and have to fill in the details.
Collect The Required Data to Fill The Form
You should have all the data that you need to be filled during the booking process along with you before you are starting. First one is the source and destination station codes. (remember the station codes for source and destination. If you do not know, search and find in advance. You can use Google for this purpose.). Now according to new regulation of IRCTC, they are asking for ID card number of at least one person. So you should enter ID card type and ID card number. Keep this with you. You can use autofilling addons for browsers or remember form field history option of browsers to make this data entry fast.
First you have to find available trains, selecting source and destination of travel. After getting the list of trains, you have to select the train you want and click book button available. Then you will get a page to fill in the details of the person who is traveling. Now maximum number of people allowed to travel in one Tatkal ticket is 4 only. For filling in these details you can use Mogilla Autofill. It will let you fill details of all passengers in one click. Then you have to select a payment option and make the payment through net banking, cards etc. But it is found that net banking is more fast compared to other ways. Also try with different banks on which you have account and find out the fastest one for booking.
Try using Quick book option (Now quick book is disabled between 10am to 11am . But you can use it in any other time.)
There is an option under services Quick book. Select this option. In this you can book ticket quickly provided you know the number of the train in which you want to travel. Fill this form quickly and press quick book button. It will go straightly to banking site without asking for any further verification an confirmation. But now for booking emergency tatkal it is of no use as it is not available between 10 am and 11 am-the peak time of tatkal booking. But if you are booking tatkal after 10.00am it is useful..
Using Auto fill addon in mozilla firefox
Now you may have found that the only time taking section in this tatkal booking process is the filling of details in form. This can be done in one second using autofill addon in mozilla firefox. So you have to install this addon earlier. You can add this to firefox in the link https://addons.mozilla.org/en-US/firefox/addon/autofill-forms/. After installing this addon you have to fill the form and save it in the addon. Now during the booking time you have to simply right click in the page and select autofill of that page.
in the address bar after coming to details entry page and press enter. Only after that you can right click on the page and select autofill the details that you have stored earlier for booking.
After following all these steps, everything is at your luck. Also remember to synchronize your system clock with IRCTC site time, and start booking exactly after 10.00 am. Because in the first minute itself traffic will raise tremendously. So the ones who try in the first seconds after 10.00am have good chance. Indian railway is one of the largest railway networks in the world. So the number of users using online ticket booking feature is also very high. As the number of users is very high always remember that each second that you are wasting, may put you in waiting list.