To cancel your Udyam registration, visit the Udyam registration portal and log in to your account. Navigate to the "Cancellation" section and follow the provided instructions. Fill out the cancellation form with the required details, such as your Udyam registration number and reason for cancellation. Review the information for accuracy and submit the form. After verification, your Udyam registration will be cancelled, and you will receive confirmation of the cancellation via email.