State Bank Of India [SBI] — refund not processing

Address:

sanganer, Jaipur, Rajasthan, 302029

Hello sir i have a complain about my refund not processed with sbi. Actually i order a phone on amazon and then cancel it by some reasion the amazon do refund in account but the money is not credit in my account then i enquiry about payment then amazon give me a payment proof to providening the authourization code (Refund reference no) for this transaction is 597982.
Then i talk my bank customer care the they say we could not do anything with this no you have to talk to amazon we don't do anything about this.
My money transaction rs.7047 and they say we don't know about this transaction.
My account no is [protected].. Please help sir i very kind for you.
I want my amount rs.7047 is credit in my account please take a action this.