Policy given as security to Absa

It is now 6 moths that I have been battling to get my policy back from Absa that I have given as a security on an overdraft that does not exist any more I do not have a over draft any longer as I have canceled this 5 moths ago when I was informed that I must do so, but every month I must phone to enquire what is the hold up and then if I get a response back after 4 to 5 day's only to be informed that there is a another problem I am tiered of phoning and getting nowhere can somebody at Absa head office please assist me now for once and for all to resolve this outstanding issue that are dragging on for moths now