HDFC Bank — CASH BACK NOT RECEIVED ON Purchase a home appliance on debit card

Address:

JAIPUR

I Purchase a home appliance on my debit card through reliance digital offer,
loan given by HDFC Bank in 08 EMI Scheduled from sept.2021, cash back would be come after 03 EMI Completed, now 07th EMI deducted from my account but cash back not received yet, First complain register on customer care on 03/02/2022, Then follow up so many times but issue not resolve yet,
My HDFC loan account No.[protected], Complain registration No. is as
LUC [protected].