IDBI Bank — refund not get yet

Address:	Bikaner, Rajasthan, 334001
Website:	www.idbi.co.in

I have purchase a guru samsung mobile from amazon and i had cancelled my order and amazon have refund 1625rs. On 17 feb.2018 but i had not receive my amount yet. And amazon told me that we have refund your money to the idbi bank. I have already complain to idbi customer care and i sent mail also to idbi bank customer care.
Rrn no.- 288299
Account holder name - ravi sardana
Account number - [protected]
Customer id[protected]
Mail [protected]@gmail.com