Complaint regarding fake data entry job

Before one month I got a call from a girl who gave me offer for some data entry job of filling form and when i accepted and did all the process one log in id came but when i did the log in then after some time the site blocked my id and when i said the same to that girl then no reply came from their side. Now i got a call from some advocate Axxxxn Jxxxxxxl he is saying that company has filed a case of breaching the contract against you so either fight the case or give money to the company.Being a student i cant afford that and they are threating me by calling again and again and giving me messages. Please help me.