[Resolved]  Central Bank Of India — didn't get refund and the bank branch behaviour is very rude about this

Address:

6/2 Kaliganj Road, Tetikhala , Near Basundhara Apartment, Chandrapur, Maharashtra, 713212

I ordered a crutial 4gb ram from amazon and get a defective product. So i contacted to the customer service and tell the problem. They said that they will send the refund in original payment method. But i didn't received a refund. Though amazon seller has confirmed the refund and share the details with me. But i haven't received the refund yet. And the bank branch can't help me with this and their behaviour is very rude about this.
My bank details are as follows
Central bank of india
Jemua branch
Ac no.- [protected]
Ifsc code - cbin0284856
Micr code[protected]

Refund reference number 74332740072007168215617