Indian Bank — Refund not credit to my Indian Bank account

I had done a payment to a merchant for buying goods in UAE using my international debit card online for an amount of INR 1308 due to some issue I had to cancelled the transaction and the vendor had refunded the money but it has not been credited to my account even after 20 days beyond the transaction date.

22/09/2020 22/09/2020 CHGFOR INTL TXN 45.00
22/09/2020 22/09/2020 E-COM PUR 1263.62