Indian Bank — I haven't received my refund of cancelled order from amazon

Address:

Indian bank, Rajni Khand, Sharda Nagar, lucknow

My name is shivani verma. I had ordered noise colorfit pro 2 smart watch on 11 march, 2020. I didn't received my order and at last it was shown in track history that my order may be lost. So i cancelled my order on 24 march me 2020. I got a sms that my money will be refunded in 2-4 days. But i still didn't got my refund. I contacted amazon service centre and they told that they have refunded the money and i should now contact my bank. My bank do not have this facility. My card number is [protected]. My account no is [protected]. I request you to please look into it and refund my money as soon as possible.
Refund reference #7bjxc7yk0000k78n76zd
I request you to please solve my problem.
Thank you.