Resetting your Citibank internet banking password without a debit card is possible through the Citibank website. Start by visiting the Citibank login page and clicking on the "Forgot User ID or Password?" link. Choose the option to reset your password. You will need to verify your identity using alternative methods, such as your registered email address or phone number. Follow the prompts to enter the required information and receive a verification code. Enter the code to verify your identity and proceed to create a new password. Ensure your new password is strong and secure to protect your account.