Indian Bank — amazon not delivery at my mobile because some address issue

Address:

Balasubaraniyam s/o janakiraman , mobile no : 06382759698chandhragiri ,pn road 19-72 ' thirupati , andhra pradesh , india, pin -517101

Hello sir. Im janakiraman i have a refund issue..
Pervious month june 16 th i purchase in mobile in
Directed in debit card method amazon that means i order it that day. But issue is amazon not delivery at my mobile because some address issue... So my mobile its return & i have a one message received in amazon side they're send the message (Your amount refund in original method.). But they're give a some date for business days.. Amozon side processing started in june 28 ' and they're send a mail for me.. Still right now not credit the amount in my account so many time ask the my bank branch they're not responsible answer plzz clear the issue & below give the all details