Csr — blackmailing and forcing to pay money

Address:

Kolkata, West Bengal

Csr — csr fraud company threatening for money.
Hello sir,
I am md nasir from kolkata
I got a call on 18/07/2019 from a person and told me that i can earn 17500 for 10days work (Online captcha filling). He send me an agreement in mail. He continuously called me and forced me to sign the agreement, send i'd proof to his whatsup number. On the same day i got anthor call from a lady telling it's a verification call from company. She says i should complete the work with 90%accurecy, if i fail to complete the work i should pay 5, 100 as the penalty. They initially dint said single word about penalty after signing agreement they said. I called back to the person and also send messages to him. But from there side no reply. I waited 3days and got user name and password in mail. After that i searched csr online captcha filling in google, i found its a fraud company and thretening for money. I tried reaching them via calls and messages but no reply. On 30/07/2019 i got a call and mail saying that he is an advocate mr. Sharad. G. Raut. He is thretening for money. If i fail to pay the money he will file a case against me. I getting mail calls and messages from their side to pay the money. So please help me from this fraud people.
I'm not only the one suffering with csr fraud people, so many are facing problem with them. So please take necessary action against them so that they can't cheat any one next time. Please help me to come out of this fraud people.