Canara Bank — canara bank refund not credited in my bank even after 50 days.

Hello,
My name is lokesh rishi kumar a, my account no is[protected], canara bank sathuvachari branch. On 18th march i have ordered a laptop in amazon through debit card for rupees 46, 800. Then i have cancelled the order on march 31st and they mentioned that the amount will be credited in your account by 7th april.. Till now i did not get the money in my account. I have received a refund reference no #[protected]. These are the messages received from amazon.
Hello,

Dear customer,

Greetings from amazon.in

We are writing to confirm that your refund for rs.46, 800.00 has been processed for your order #[protected].

This refund is for the following item (S):

Item: lenovo ideapad s145 8th gen intel core i5 15.6 inch fhd thin and light laptop (8gb ram/1 tb hdd + 256 gb ssd/windows 10/ms office 2019/ gray/1.85 kg)
Quantity: 1
Asin: b07vx52jd2
Reason for refund: unable to deliver

Here's the breakdown of your refund:

Item refund: rs.39, 661.02
Item tax refund: rs.7, 138.98

Your refund is being credited as follows:

Original payment method: rs.46, 800.00

If you paid for your order using credit/debit card or net banking, it may take up to 5-7 business days for your bank to credit the refund amount to your account.
Please note that if you paid through emi on credit card, this refund may cause a change in the terms of your emi with your credit card issuer, and the issuer might levy a charge for the emi cancellation. Please check with your credit card issuer on how your emi may be affected.
All refunds into amazon pay balance will be credited to your amazon account within 2-4 hours of the return.
If you paid for your order using cash on delivery, an at par cheque drawn on deutsche bank will be delivered to you in 6-8 business days. The beneficiary bank will be responsible to present the cheque for outstation clearing, if required. Please check the same with your bank while presenting the cheque. However, if you have selected the refund to bank account, the amount will be credited within 1 day.

Thank you for choosing amazon.

Please resolve this issue and refund money in my account