MoneyTap — fraud, cheating, harassment

I used Moneytap app for transfering money from my RBL credit card to my account, but it was aborted and didn't credited to my account, now they have raised bill, and the bill says that I used my whole limit of 59000, where as I used only 26000 to 27000, now moneytap team is not responding, just send a mail per day, giving fake assurance.This is mental torture, please help me on this.