MTN PRICE CHANGE WITHIN 24 MONTH CONTRACT

my grievance is that mtn has decided to increase my monthly contract subcription, within a 24 month contract period. i took the contract out in april when it was advertised &R799/month, and on my first bill was charged this rate. howver on my second and third bill i have been charged a higher subscription. i have read the t&c's of my contract and section 4, charges, does not specifically mention that we the customer will be liable to pay the changed priced once a contract has commenced. <br> <br> further more in mtn's june edition booklet the very same contract was advertised @R789/month, R10 cheaper than april's price even after implementing their prices change. so dont refer us to your price change notice to justify the higher charges on our bill.<br> <br> a contract is supposed to safeguard both parties, we have agreed on R799 for 24 months please dont change the rules in the interim. <br> <br> as a customer i feel that i am being ****** here. i need my bill to be R799 as promised by mtn when i signed it. if mtn wants to charge a higher price than please also give me my a discount and bring my monthly subcription fee back down to R799.<br> <br> this is **************** and mtn needs to be taken to task.