[Resolved]  Exa Technology — fake checking of data

I have given work of doing 15000 captcha in 15 days with a accuracy of 90% and in return I will get @ of 2.25 per correct captcha. so i started my work but after 2-3 days i got a warning while doing my work so i close down that site and reopen it. again next day same glitch happen. i called the helpline no. but they didn't pick it up. so i continue my work but after few days i checked report there i found that they are cheating on me as they are falsly putting wrong captcha on my report which i haven't fill up. when i told them they refuse and when i asked for cancelling my work but they asked for 9000 rupees . as they are doing cheating so why should i pay. i has 6 more days left for completing my work. but right now i am doing it as i want my contract to be cancel . because i do want to do work with cheaters. please help me as soon as possible. thank you.