Ascenteq — Ask for money

I have registered for this company i have given all the required data for registration they have asked me to the work and sent me the mail for the task.initialy they have given 600 forms to fill in 5 days i was not able to complete the task so I didn't do anything but recently I have got the call saying you have not completed your work so you should pay us 6000 otherwise will put a case on you and we will drag you for court etc etc this is such a bad thing which I have seen how can people think like this if iam not able to complete the task then they are not paying us anything right that's fine for me but how they are expecting me to return the amount this is such a fraudulent company please can anyone help me with this because people can fraud easily nowadays and don't become foolish..