In the full and final settlement statement, it should be mentioned that you are required to pay one month's salary to the company due to leaving without serving the notice period. I understand that handling this is typically a responsibility of the HR department. However, in this case, it seems that your company's HR department is not aware of the process. I can help you with the correct format so that you can present it to your HR team and facilitate the full and final settlement process. Having this document is crucial as you need to submit it at your new job.