Dear Misbah,
You will need to log this issue with your tenant administrator.
If you are completely Locked out of your tenant you'll need to contact microsoft support.
The Data Protection Team is the only support team to check and reset accounts. To find the contact number of the Data Protection team, please check Find Microsoft 365 for business support phone numbers by country or region - Microsoft 365 admin | Microsoft Learn or Global Customer Service phone numbers - Microsoft Support.