Bank Of India — for refund

Address:

Ranchi, Jharkhand, 864005

Amazon.in provide money refund references no. 024892 and transaction id.- 2s3g0r5qt6n of rupees 719 for return of order and
He was already refund initiated on dated 17.07.2018 but it not credited into my bank a. C
Then i have contacted the amazon.in for my refund he provide said reference no. And transaction id and say plz contact your bank for refund.
I was contacted by bank, bank of india but he not response.
Plz help to solve my problem.
Barun kumar
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