RBL Bank — reward point not redeeming

Address:

New Delhi, Delhi, 110078

Sir i am raj kumar das having unfortunately rbl credit card customer. Sir since last month rbl credit card reward department are not giving my reward point to redeem when i have already sufficient 9600 aprox reward point in my account.
They again and again try to consul their fail.
When customer should be fine late payment/ minimum payment why they not?