Contract extension without my knowledge

My WiFi contract was extended without my knowledge. I went to one of your shops in Carnival mall for assistance and a case was logged "CASE NO. ***9" I was then advised that the changes made on the contract will be reverted back. To my surprise I received a text saying my case was resolved. No one contacted me and no change was made to my contract as promised. Telkom is this a way of sucking me money???