[Resolved]  State Bank Of India [SBI] — Amazon initiated refund but not received bank

I have order item from Amazon on 23 February
2021 . but cancelled it same day because I don't need it anymore . It's been 5 days I called Amazon helpline they told me Amount is refund next day 24 feb in account. But I didn't receive it . They told me to contact bank and tell them you're (RRN) its Refund reference number is 242147 . Help me out