60 Gig Day And 60 Gig Night 299pm Now R501pm

hi i have a 60 gig night and day paying 299pm for 4 - 5 months now, now for what reason do i have to pay sim activation again after paying it in the begining going now for R501 pm actually the Cost is more than the first payment with Activation Fee And My Statement Is Stating a 40 Gig Deal Not The 60 Gig Deal What I Am Actually Paying For !!! Where Is The Other Gigs That I Did Not Recieve I Am Paying For 60 Gig Not 40 Gig. Fix This ! Or Cancel.