Resetting your Citibank internet banking password without a debit card is straightforward. First, visit the Citibank login page and click on "Forgot User ID or Password." Choose the "Credit Card" option as your authentication method. Enter your credit card details, including the card number, CVV, and expiration date. You'll also need to verify your identity using the registered mobile number or email linked to your account. Follow the on-screen instructions to complete the verification process. Once verified, you'll be prompted to create a new password. Ensure your new password is strong and secure to protect your account.