Canara Bank — refund not reflected in my bank account even after 11 days of refund initiation

Address:	Hyderabad, Telangana, 502032
Website:	amazon.in

My name is baddam naveen reddy bearing account number[protected] had purchased whey protein with order id ORDER #[protected]
and cancelled the order and refund got initiated on the same day and its been 11 days but not yet reflected in my bank account after calling customer care and bank several times i have got no proper response please resolve the issue