Mac2Cap — I want to cancel my agreement

I got a call from a company o tech. Mac2cap 'app' captcha work... About a part-time job which involved entering 10000 captchas within 10 days in which 90% has to be correct and told that there are few vacancies left in this job. So, when i accepted the job, they had sent me two links, one of which opened to an app and they called me and asked to upload my photo and signature, aadhar card.
Then i got a main of app link and login details. Then i searched that app name in google there i known it is a fraud comany they will ask 6900 and if you not pay they will file a complaint on you.
Please cancel my aggrement.