M. T Technologies — forced to pay money (fraud)

The above mentioned named company has given me online data entry work and after submission of completed reports they have issued qc report which is showing manipulated data, from their end they have made some changes and is clear, they are demanding me to pay money to them otherwise they will take legal action on me.

Following is the details of the person who has sent me notice demanding money:
M. M. Patel.
B.com. Ll. B.
Advocate. Enrollment number: 2203/2016
Mobile no: [[protected]]
Suraj patel
B.com, llb
Mobile no [[protected]]
Requesting you to please look into the issue and kindly help me to come out from the issue, they are targeting students and unemployed persons.