Breach of contract

<p>I took a cellphone contract with telkom mobile sometime october 2015 and it was a smart plan 100** with -100minutes,1 GB data,Free WiFi and Freecalls to Telkom mobile numbers going for R399 However they where debiting me R499 then i contacted the then they fix the amount to R399 but migaratred me to a lower package that i ddnt sign up for - Of 50 minutes and 500MB data</p>