Onlineworksjob — data entry

Hi all,
2 weeks before i got a call from onlineworksjob. The person who called me his name is sahil. He offered me 800 pages & per page 35. He asked for my adhar i gave them. He send me a link. And took my digital sign. I started working & after filling 280 forms the site stopped working. I contacted their costomer care & they are not responding. So i was not able to submit the task. Now they are sending me msg for money. They are thereat me for court case. Please help me what i will do.