Akt Enterprise — captcha

I'm ankit kumar pandey. I received a message from a fraud company named akt enterprise. They told me that i have to do captcha entry that is very easy and free from registration and salary will be 28000. They send me a mail and tell me to upload my photo and sign.. But not signed manually. The app provided by them was totally fake. Everytime i done my work had been reset. They told me to pay 5100 if i terminate my id. They are blackmailing me now but i'm not giving any response to them i'm totally scared. Plzzz help me plzzzz.