debited yet policy cancelled

good day,<br> <br> please note i have cancelled my policy with Life 9 yet im still debited i have tried reversing all my premiums even after cancellation.<br> <br> However these people still busy on my account.<br> <br> I want my money from this month and last month with Interest.<br> <br> i have received sms that my policy is cancelled with them but they still have a nerve to go back and debit.<br> <br> i am very angry as this is puting bad report on my account.