Nedbank insurance

I have a cridet card with Nedbank I was retrenched when insurance was sold tome thy told me if I was retrenched the full amount will be payed now thy say it is not true i have ask for a coppie of the sales talk thy can not fine it I ask the to take me to court I went to ombutsman thy also ask for a coppie sill nothingplease people do not trust them