*****ant business by standard bank

I took up a motor plan for 2 years with my car purchase which is financed by standard bank The motor plan is under a company called Insure,l which was liquidated year ego.Standard back countinues to debit my account the entire amount that includes motor plan fees (,which is no existing).I called standard bank and informed them and they have done nothing ,even after requesting them to reduce by debit amount.This is *****.