Indian Bank — return of my refund to indian bank from amazon

Address:

Seetampeta Visakhapatnam, 530016

I purchased one product with amazon india and then after i return that product to amazon due to some problem in product and i returned it. But still after 10 days past but still we not received my refund in my bank account and amazon people told that he send the amount in my bank account. Sir pls look this matter and do the needful. My ref no is[protected]. Please take necessary action on them on both bank and amazon