RBL Bank — credit card reward points redemption issue

I have tried so many times for redemption of my rbl credit card but its not happening.
I have tried to call costumer care executive two to three times, but they also every time holding my call and keep on doing the same.
But no one is solve my issue till today
I have given all the details to them\
I have reward points in my account and in vouchers by which i can shop for this festive season.
Hope you understand my situation.
And try to rectify as soon as possible, as festivals are near.
Having so many reward points but no use for me.
This is irritating me a lot. So i once again request you for the issue. Thanking you.