Unauthorised deduction on bank account

Hie everyone please be careful with this company once they have access to your bank account they deduct funds at anytime they like breaching the contract I took a loan we agreed about the 25th but they deducted on the 20th of which that was not part of the agreement and they told me they are unable to reverse it at this critical time while am waiting to get paid stay away from this ******** by any means necessary if anyone has gone through the same please report these ******** so everyone is informed