Zestmoney — Failing to repay the promised interest cashback

Even after timely repayment of the emi of the product purchased through zest money the company has failed fo repay the interest cashback for almost 5 months now. Talked with their customer support every month and got promised for the repayment by 15th of the month, but still didn’t received the promised amount.zest money is either fraud or bankrupt. Please look into the matter with utmost importance