Canara Bank — I have not received any refund

I am supposed to receive a refund from amazon.in by 9thjanuary 2020 but still isn't not credited. As per the conversation from tha amazon executive, he had confirmed you amount was initiated on 9th jan 2020 and my refund reference number is (40zx1yrc0000k3y3rh27) but have not received and my canera bank account number is[protected], i have paid the amount through debit card on 1st january 2020 and my debit card last ending 9441. And my amount is 1859. I did this transaction on 1st january 2020. Please provide my refund amount of 1859. And my registered mobile number is [protected] that was registered with the bank (Canera bank)