Nedbank stole my money

My account was double debited when I called in for my refund I was told 48 hour turnaround on the 2 September 2021. I advised service agent funds needed back urgently for medical aid debit Today 6 September 2021 On ohn again with pheleo for now holding 30 minutes after him telling me it's pending payment for 7 days Advised about medical aid again and wat previous agent said he won't help asked for higher assistance told his managers busy Won't give me email addresses And now I'm still holding