[Resolved]  HDFC Bank — 6000 cashback not received

I bought my apple iphone 11 in january.
I was promised i will receive 6000 cashback. More than 3 months have passed i have not received cashback
In hard timew of covid 19, i am short of money. It will b great you keep your promise
I have receipt where it is written you are entitled for csshback 6000 which you will receive in maximum 120 days!
I dont know what are you policies or customer prefrences but its already more than 120 days
This is the third time i am complaining
I have also reference no. Of complaint
Bank behaviour in such hard times is not appreciated
Its the third
Please tell me how many more times i need to complaint so i get my cashback

Please help