Preparetion :
Add Members in Master Passenger List before 8am
it'll help you to save 20-30 seconds.
Adding from this list will take only 2-3 seconds
Execution...
more... :
1. Login to your IRCTC account at 9:58 or 10:58
2. Search your desired pair of station with "Tatkal" Quota
3. Scroll till your desired train
4. You can click on non desired class (Class which you don't want to book)
5. Now watch will be striking at 9:59 or 10:59
6. Wait for few seconds to strike at 10:00 or 11:00, the moment it'll strike, click on your desired class you'll see availability.
7. Click on book now
8. Add passenger from master list
9. Mark Check on "book only if confirmed berth are allocated"
10. Choose your desired payment mode & Proceed
Always choose payment mode which doesn't need any OTP like e-banking & credit cards (not all credit card have this feature) because waiting for OTP could delay your transaction, You can use UPI Apps. I personally prefer PhonePe. Google Pay could be risky. Once I was stucked with Gpay.
In November I successfully booked 3 tatkal in 3 different long distance Bihar/Bengal bound trains with this method