Voadcom funny business

Almost everyday i buy the 1 gigabyte to use for one day, ive noticed after i buy the data i then go and check if it has been allocated. i then see for the last couple of weeks it says i have 2gb. With a data usage tracker i see i only use 1gb then im unable to use the internet. So Vodacom is busy with *****, making me think i have 2gb and when i actually only have 1gb. I have been saving screenshots and videos for the past week and will be sending it through to ICASA and as many social media accounts to make people aware.