State Bank Of India [SBI] — flipkart refund not credited to my sbi account

I have ordered acer aspire 3 which i had to cancel on the same day for some reasons. The refund was initiated on the same day as told by flipkart officials

They said that the refund has been done by sellers stating that:
"below are the details to confirm that the refund has been successful:

Refund reference number:[protected]
Payment reference no:390858
Bank transaction id: 173440
Auth code: 712060
Refund date and time:15 jul 19 06:30:10pm
Payment mode: debitcard

And ask me to contact my bank, the amount is still not reflected in my account, i have contacted multiple times to flipkart, they gave me every
Time the arn number and ask me to contact customer services
To trace the amount, but my sbi bank says myself should contact flipkart as they do not find those reference number or arn valid to trace from bank branch. Please help me out of this, do the needful to credit the refund to my account.
May be the transaction is pending please clear this