Bank Of Baroda — money refunded by amazon still not added in my account

Sir, my account number is [protected]. I had purchased online a sensor by amazon in rs. 2495. Due to some reason i had returned it. By the policy amazon has refunded 2495 rs in my account on dated 03/12/2018. But still amount is not added in the account. The refund reference number is[protected] given by amazon. So plz check and send money in my account.