Paying for Fibre I don't even use all because of false information I was given by Vodacom consultant

What A bad experience I got from Vodacom Fibre . I signed up on month to month contract with them few months ago . Beginning of August I called them to serve my notice to cancel contract with them .To my surprise I was debited end of August and now in September . I m told about a lot of processes that where never discussed initially when signing up . The consultant that assisted me mislead me and now I paying for Fibre I'm not even using

Please assist