SBI Freedom Rewardz — purchased by redemption of reward points not received

Address:	700114
Website:	sbi rewardz.com

I redeemed 2028 points on 17.12.2018 for purchase of a copper mug from my SBI REWARDZ POINT which I earned through my SBI account.But till date I have not received the same. My account has been debited with 2028 point. They are not responding over phone. I lodged a complaint to them on 18.01.2019 which till remain unattended. SBI REWARDZ.COM is silent regarding the matter.