[Resolved]  Bank Of India — amazon order refund still haven't received the credit within 8 business days

Address:

Bank of India Andul branch & Glamour Marble Address: Andul Rd, Andul Mauri, Duillya, Howrah, West Bengal 711302, 711302

Hello sir, i’m amit kumar adak,
A refund was processed on 10 october 2019 and i got the refund confirmation with refund reference id email from amazon.
Refund: processed 10 october 2019 - 10, 699.00
Payment method - debit mastercard
According to given information from amazon, the refund amount 10699.000 inr should be update on my bank account under 2-4 working days but the refund has not update on my bank account! I'm really worried about my money please help, i hope this will fix soon and my money will be available soon.
I called to bank of india customer care, they said they didn't know anything. I told about my reference id, but they don't want to hear anything and they just ignore it.