Slicepay — I am complaining about slice pay its a Fraud company

Address: nagpur

I have already paid my dues before time but slice pay not reflecting it in there app any still they are showing i have to pay my dues I have raise this query issue 7 times and also did mail on [protected]@slice.com even i called more than 20 times But they are not responding or not giving any customer assitance what should i do if they are plaing with my credit score even i have had paid before time PLEASE HELP