ICICI Bank — Amount deducted for ECS

I have an account in ICICI bank from 2017 I gave ECS a mandate to bike loan when I am accepting ECS time no one cheque bounce charges. after[protected] I received money Rs10000 to my account. After that, they deducted Rs472 for cheque bounce charges. Yesterday I visited the bank where I have 2accounts close accounts and transfer money my another account at that time visited bank on the time bank people were not informed that you have ECS charges. They informed to me the amount will transfer to your account with in 2days. Today i checked my account the amount showing Rs1450 insted of Rs9450. I called up customer care really they stupids they dont know anything and for statement also will take tomorrow and interrupting me and arguing that what is ICICI bank deducted the amount that correct the thing was we closed bike loan in june and no one informing that ECS charges Rs472 from account and now balance Rs1450.Acually i closed the account in ICICI and i forgot taking money on that time. Today i checked 472/- and all amounts deducted from account without information after 3 years. We are very poor kindly help on that