Indian Bank — didn't receive refund from the bank in my account

Address:

Ranchi, Jharkhand, 834008

I returned an order of Rs-1599 of realme ear buds on 26 january 2020 from amazon few days back.. The refund has been issued by amazon service on 22 january 2020 but i havn't received any amount in my bank account. I have checked my bank details but the bank hasn't initiated any amount in my account . So let me know when would i get my refund in my account by the bank.