1. Log in to your Citibank online banking account.
2. Navigate to the "Services" or "Card Services" section.
3. Select "Forgot PIN" or "Retrieve PIN."
4. Verify your identity through OTP sent to your registered mobile number or by answering security questions.
5. Follow the prompts to receive your new PIN.
For any help, contact Citibank Pin Forgot number at 1-888-388-4751. They are available to assist you in retrieving your card PIN.