Fini Technology — blackmail to make the amount

Hello sir, i had problem with data entry work. A company named finitech had called me.. N asked for registration fee of rs300. I paid. They had given me 150 pages which had to be finished in 15 days.. And m not able to submit within time then they said i have to pay 10000 to them... But i think they are fraud.. N asking for 10000 rs.. Sir plz help me without.. They said 28800 is your salary.. N 10000 rs will be cut as a deposit from ur first salary.. Sir plz help me out with this