unathorised billing

I sent an email to cancel a policy i took out with Budget ins. they cancelled the policy BUT did not cancel the policy for dents and bumps. This is a way to keep deducting money out of people's account, why would someone CANCEL comprehensive cover but remain with dents cover?! what is the logic there, they don't cover dents at the new insurance company?. <br> <br> They went on to debit R99 from my account 6 days after i emailed to cancel the policy. I am going through my bank statement now and i found that amount deducted. It a small amount, so i did not get an SMS. I want a refund.