MTN is cheating me out of my money!!!

How do things work with MTN. I have a contract via my employer. In January 2018, a request was sent https://protect-za.mimecast.com/s/cwrJCX6Xj5Hp8xEAh6muPy Confirmation Notification: Request REQ ********** 09007 has been submitted.

Requested For: Requested By: Summary: Dedicated Service Desk - Bill Limits

Status: Planning Impact: 4-Minor/Localized Urgency: 3-Medium Notes: Please cap ********** that belongs to Nokukhanya Gabela at her allowance of R350.00. Her account number is A ********** . Thank you.

Request Categories: ------------------------- Category 1 - Dedicated Service Desk Category 2 - Bill Limits Category 3 - In September 2018, big amounts were suddenly debited from my account until January 2019. Who authorized that the capping be changed and the line open? Over R10 000 has been debited from my account since September 2018.