Indusind Bank — Wrong IMPS transaction needs reversal

I did a money Transfer via IMPS induslnd mobile app on October 2020, I visited the bank branch in Kandivali had several bank visits regarding the complaint after that I raised a complaint on email and called customer care continuously yet no satisfactory response received from their end even when I am taking continue follow ups they give lame excuses stating it is on a good faith basis and we don't have any process of such reversal the amount was 15700 which was transferred incorrectly due to manual error and it was informed to the bank immediately yet no step has been taken from their end and they suggest us different ways like you search for the customer details yourself and contact the bank go visit this branch and ask them to refund you and just keep on redirection here and there without any action from their end.They even close the complaint raised with out proper solution and say that time of solving our complaint has exceeded.