Punjab National Bank [PNB] — refund money not credited in bank

Address:

B-149,2ND FLOOR,, CHITTARANJAN PARK, New Delhi, Delhi, 110019

Transaction id is[protected] dtd.03/04/2019. Amt. Rs.1698.
Transaction id is[protected] dtd 03/04/2019. Amt. Rs.1999.
I have not received these above mentioned in my saving bank account.
Account holder name is satinder sandhu
Account no is [protected].
Amazon care told me the details.. That they had credited the amount in my pnb bank.
But it does not show in my account.