Canara Bank — refund not received in amazon

Address:

Track unian ke pass canara bank, Sawai Madhopur, Rajasthan

Dear sir

My account no[protected]
Customer id 88960481
I purchased a product on amazon on 01 may of this month using my canara bank debit card same and i asked then for refund. As per their confirmation refund was initiated on 17th of this month maximum time frame was 5 days. Still it was not reflected in my account. They had provided the refund the amount of rs.874.00
24 may2019 refund amazon 874.00 did not came in my account
My full ac. Name; - vinod meena referene no #74332749138913723387887. I had contacted your customer service number they is no proper response hence i mail you. Please check and confirm the status if your response was worst in mail too i am going to file in banking sawai madhopur