monthly debit order issues

<p>Good Day</p> <p> </p> <p>I would like my on air monthly agreement to be cancelled with immediate effect. I signed up for a R29 per month wifi dstv connector however for the last 3 months I have been billed R129 plus R29. Still no feedback and the monthly deductions keeps on happening. numerous mails have been sent and i have not been cridted with any amount, </p> <p> </p>