No confirmation wheter documents are delivered

Goodday<br> <br> I phoned several times to aramex, both branches to find establish whether the parcel PP***, has been delivered after requesting a second attempt for delivery to HCPC council in London.<br> <br> Everytime someone takes my number saying I would be informed of the delivery the parcel will be delivered the next day. I am worried since I have been phoning several times and the online tracking is not being updated to keep me updated on the status of delivery. These documents are very important I can't afford losing them since they have original stamps etc. Could someone confirm delivery of the documents please, and also the person who signed for the documents.<br>