[Resolved]  HDFC Bank — Cash back not received for iphone

I purchase iphone 11 from iphone genuine store and in my bill receipt it is mentioned that i will get a cashback of 6000 after 120 days from the billing date but it's more than 5 months till now i haven't received the cashback even i am not able to call hdfc customer care resolve my issue do let me know what kind of details you required my name is simranjeet singh