Billed for no service ?

My adsl line was down for 2.5 months, I cancelled the account because of no service and I'm still getting invoices for march?<br> Please explain.<br> This is very frustrating, Telkom cant provide a service they market, now I'm spending R2000 a month for connectivity not to deal with Telkom.<br> Telkom please resolve this and get out of my life forever,please remove from all your mailing lists.<br> <br> I'm only available on mail and sms