Punjab National Bank [PNB] — didn't get the refund from flipkart

Address:

Rewa, Madhya Pradesh, 486002

Hello, sir i order a product and made a payment of 10999 from my pnb debit card to flipkart on 13 december but i cancelled the order on 16 december, flipkart initiated a refund to back to source on 18 december and they provide me an arn transaction number which is - (30005193479352240004072) i was informed that by 30 december i will receive my money but the money has not been credited to my account yet. Here i am attaching email screenshot which i received from flipkart. I request you to please track the payment and provide me a resolution. If you want more clarification regarding this concern please call me me i will explain more clearly.
Bank saying to contact flipkart and flipkart says to contact bank with arn number now what should i do they both are bleming each other please resolve the issue.
I am attaching flipkart and punjab national bank boths email regarding this case they both are not helping me.
Thank you

Regards
Samarth singh baghel
Ac. No.-
Contact no.-