Allahabad Bank — amazon refund money not credit to bank on my account

Address: chandrakona road , village - sarbera, 721253

Dear Sir,
I am Mr. Suman Haldar, Father Bimal Halder, Village - Sarebara, P.s - garhbeta, dist – paschim medinipur, pin -721253
I am a customer of your bank

Account Number-[protected]
DEBIT ATM CARD NO -[protected]

I canceled Wed, Mar 6, 2019 Amazon e-commerce site on my personal one product, and they refund money at Rs. 1730, but my bank did not deposit money in my account.
Dear sir please solves this problem & requesting my money back to my bank account.

I'm giving all the evidence below (attached Amazon all e-mail) -

Hello suman haldar,
We're contacting you about your cancellation request for order #[protected].
We were able to cancel the following item(s) from your order:
Mantra MFS100 Finger Print Scanner (Grey)
By: YES
Hello,
your refund of Rs.1738.50 has been processed successfully on[protected]. The amount should reflect in your account by[protected].
The Authorization Code (Refund Reference Number) for the transaction is[protected].
In case you do not receive the refund within 5 business days, please contact your bank’s customer care and mention the above Authorization Code (Refund Reference Number).
Please remember that you will have to call your bank’s customer care center and not visit the branch for this query.
Some nationalized banks may take more time than usual to credit the refund.