Bihar Gramin Bank — atm refund amount

Address:

Samastipur, Bihar, 848101

Withdraw rs. 4400 on 20/08/2018, but still date amount not refunded. Lodged complain over customer support having complain no. 17150.
Ac no. [protected]
Branch name:- tajpur road
Bank name:- bihar garmin bank
Name:- pawan kumar
Mob:-[protected]
Mail id:- [protected]@gmail.com

Sir kindly look over the matter and try to resolve as soon as possible.

Thanks