Fraud on the name of part time job

I am a CA student and I am preparing for the exam. Due to some financial problems I thought of doing part-time job so I searched on the internet and I came across with the site called Clickindia where I registered my number. The same day (i.e. June 4, 2019) I got a call from Anika Sharma (+[deleted]) claiming to be representative of Frontech Company, Aurangabad, Maharashtra. She offered me a part-time job of filling 1500 forms within a period of 10 days for which she would pay Rs.20 for each form (i.e. Rs. 30000) for assigned task and at the very same time she mentioned about the registration fee of Rs.4500 that she is supposed to deduct from my remuneration. The offer was attractive so I agreed for the job. She then told me to send my aadhaar card and a signature and I did the same. After few minutes, she sent me an agreement paper with my signature attested in it and told me that it is only for keeping a record. The very next day (i.e. June 5, 2019) they sent me a user id and a password and asked me to start the work. When I started the work I was suspicious about the data because they seemed irrelevant and the font used in the data was making it difficult to understand but I ignored it thinking that my job is to fill the information in the forms within 10 days period. I completed my work in time (June 15, 2019) and clicked on final submission to submit my work but it was not submitted (if submitted, a pdf file would be generated). I immediately called on the helpline number ([deleted]/[deleted]) and addressed my problem. First they responded saying that I might not have completed all the forms that’s why the forms were not submitted. Then, I checked each and every form but no form was left incomplete. I called back on the same number but till then the number was switched off. Then I sent a mail on their helpline email id ([deleted]) seeking help but they did not respond. On Monday morning (June 17, 2019} they sent me a mail for submitting my work and again, I told them about the problem I faced in submitting my work. But they totally ignored the problem and replied me demanding Rs. 9500 for extending my working day. On Tuesday morning (June 18, 2019) they threatened me on the phone saying that they will send a legal notice at my address. Seeing their unprofessional and unethical behaviour I googled their company and was devastated to find out that many people had complained against this company on consumer forum for threatening and demanding money from them. Some of them had complained that even though they had completed the job with required accuracy, the company showed them wrong QC report and demanded money for not meeting the required accuracy. And when they refused to pay them they threatened them to send a legal notice. The company had even threatened to file a case against them and also sent an arrest warrant.