Deduct without permission it's *****

Hi everyone on 2 Dec they deduct the amount of R399 and on 5 Dec again with my permission I cancelled this before I had problem with matric college I even forget it about I tried to register on Shaw academy today I realised today when I was absa bank to check what's going on with my balance amount they told me that the is're online course said I don't have any because I knew that maitri college I've already cancel it and it was not the same bank details that I'm using so it's when I emailed the school and then they are responding to me that guy who was trying to assist me today to phone me with private number which we were not hearing each other so hello Peter helped me to much my needs I need your help again because they still my money I didn't understand authorisation to deduct the money on my bank account and after so long why do you deduct now be aware guys out there don't give any one your Bank account