Central Bank Of India — refund amount not credited on my account

Address:

Thane, Maharashtra, 401105

Name - chandrakant walunj.

On 29 sep i have purchased a phone from amazon.in and i have done full payment online : due to some reason i cancelled my order : they said we will credit the money within 7 days but still not recieved : i have visited the bank but they are unable to solve my problem : also talked to amazon they said talk to your bank and vice versa. Please sol my problem as soon as possible.

And please follow the attachments.