Limeroad — returning of lr credit

It's cheating and shame on limeroad. They don't keep their promises. I have received lr credit amounting rs 4305 on. Dt 22.01.2020 & expiry date was 20.02.2020. However i can't use lr credit during sale i. E up-to date 28.01.2020. However on 29th evening i have received lr credit but the expiry date is now. 03 feb 2020. But on 31st jan 2020 my lr credit expiry. It is disgusting. You are cheating your customers. I want my lr creat back. Plz resolve the issue