Punjab National Bank [PNB] — Complaint regarding refund from bank and no cooperation from bank side

Address:

Kamal kunj b-102, sector -8, plot -83 new panvel

I have not received my refund from Flipkart . According to Flipkart they have already sent refund to the account but due to some issue dispute at bank end, refund is not received to my account . Flipkart asked me to fill bank CHARGEBACK DISPUTE FORM . But there is no support from bank side not from their customer care.
Details for my due refunds are :
Rs 417- due date: 23-11-20
Reference no:
NFT[protected]GN00001

Rs 499- due date: 16-11-20
Reference no:
NFT[protected]GN00020

Rs.499 - due date : 16-11-20
Reference no:
NFT[protected]GN00021.

Bank is just useless, never interacts with customer and never address their problem.
Customer care number never listen to complete problem and hung up without addressing the problem .
My bank statement is given in jpg format : from 10-11-20 to 25-11-20
ACCOUNT number : *************293
Bank name : PUNJAB NATIONAL BANK
BRANCH : new panvel east ( pin : 410206) Navi mumbai