No email received for BGV Deloitte USI

I have received OL like 27 days back and accepted it, below was mentioned in the email

Background Investigation - Should you accept this offer, a separate link will be emailed to you to upload all mandatory documents for background verification. Please note, this form requires you to provide seven years of history including employment and residence information. Please ensure you gather the appropriate documentation to accurately complete the form with exact dates, addresses, etc. It is vitally important that you do not estimate any information submitted. Once you have accepted your offer, First Advantage will conduct a background investigation based on the information submitted. The background investigation process involves verifying the information you submitted. Any and all discrepancies will be flagged and reviewed. Please complete the Background Investigation Form within 24 hours of receiving the link.

since then. I have not received any email from First Advantage but in portal it is showing Waiting for Background check results my DOJ is 25/08