Citibank Money Transfers Complaint

Citibank Money transfers department,

International money transfer Wrong amount charged or received Illinois

Hi, I remitted money through ach to my - account. They give ref # - and credit my account. So I transfer money from my account to other bank. After few days they called me your account balance in negative and send same amount again. I called them, they said your check has been bounce and they make reverse entry and more than - as a penalties. I called so many times but they could not give solid answer.one said talk to your local bank.I went to my banker he said funds are sufficient and nobody demand for money.I again call today I said give me penalties amount back I will remitt money again.He said our supervisor will call you soon but nobody called me so far.I remitted money again.they gave me hard time.So I want penalties amount - back that was not my fault.