Bank Of Baroda — i'm complain about my refund money is not received

Address: Bank of baroda in main market malsisar

My name is komal dalmia my refund amount 299rs is refund by amazon on 31 may 2019 but not show in my acount the refrence no of the refund is[protected] but the refund has not recived yet bank is saying no amount has been recived by them im talked to them again nd again but no respnones is coming i need to resolve this problm as soon as otherwise im gona some legal action