Am not happy

I have been a Cell C customer for the past 10 years .This month i two i discover that i have subscribed to the services that charge me R7 a day ...So i spoke to an agent for assistance ..I have not been asistnat therefore i now request Cell C to ensure no futhure charges must accure for the subscription ...The onus is on Cell C as network as i called them for assistance ... Will require an immediatte resolution to this problem as its finnacially predjuces me my airtime and its unfiar on me as a Cell C cleint