Mismatch of 26as with sales register

I am writing to bring to your attention a discrepancy that has come to my notice during the audit process. Upon reviewing the Form 26AS provided by the Income Tax Department, I have identified a mismatch between the information in Form 26AS and our company's sales register.kindly request your assistance in conducting a thorough audit to determine the root cause of this discrepancy and to take the necessary corrective actions.