Old Mutual sold me a wrong policy and now they are delaying the process of repaying me.

I took a funeral cover in february 2021. The consultant said I can cover anyone (no exceptions made). Few months later I wanted to cover my parents, and all of a sudden I must pay more to cover them. I decided to discontinue the cover and demanded reimbur*****t of the premiums I have paid. Old Mutual never even sent me the policy contract details. It's been about 90 days since I requested cancelation and reimbur*****t - the cancelation was processed on the 25th of September, but Old Mutual is taking forever to process the repayment. I was sent from pillar to post, given inconsistent information to claim my money back, denied the chance to speak to the investigating personnel, yet none of the frontline consultants can give me satisfactory answers. I just want my money paid back.