How can I complete the IRCTC sign up process to book train tickets online?

To complete the IRCTC sign up process for booking train tickets online, visit the IRCTC website and click on the "Sign Up" option. Fill in the required information such as your name, email, mobile number, and create a passWord. Verify your mobile number and email address through the OTP sent to you. Once verified, log in to your account and start booking train tickets online.