Stanley Solution — Threatening and blackmailing to pay money

I am a student seeking to work from home job the day i was registered in quiker.com one person cal me to say are you apply for job on the basis of wfh he told 1400 forms that should be 90% accuracy in this work per crt form you get 25rs i am says ok then he ask me mail id, aadhar card pic also.. next day he cal me and tell me that opt send in your mail id and i tell to him and he send a link i started the form filling work after 6 days i am completed nearly 800 forms i have doubts in this work i cal to him they never pick my cal even at one time i am so irritated and stop to do that coz i dont know how to do that i text on whatapp ne sees but no reply then i search that form cube website and their reviews there no one positive reviews then i stop doing this.. after 4 days they cal me and says you breach the contract you have to pay 7000 rs for the company unless we file a case on your name then they are calling randomly as daily i am not able to tell this situation to my parents.. i am suck with this threatening cal so scared about this pls help me i request to who know abt this issue pls kindly help me