Canara Bank — My Refund from amazon never processed

Address:

33-30/10 Plot No.5 Officers Colony R.K.Puram Secunderabad

I paid on line transaction by upi bhim by canara bank debit card on 14 oct 2019 for 13800/- for a product on amazon, due to some reasons they not delivered and return payment 13240/- after deduction. Asper amazon they refunded in the same month. Still not credited to my canara bank ac. My ac no[protected], sainikpuri, secunderabad. Telangana.
Amazon refund ref no is[protected].