Pxv Online Captcha Work — regarding complaint of fraud and blackmail to pay money.

Respected sir /madam
I am manasa lives in karnataka..I got a call from PXV online captcha work company.They told me that it is of 10 day work..They provide 10000 captcha to type and submit in 10 days and they provide 22500 for those work and provide agreement copy yo mail id. They told me that they explain the agreement details and at you have to signed the agreement..they told that if i cannot able to complete the i need to pay the money...and if i complete the work they pay the money for my correct captcha..i signed the agreement and start my work and i complete 11959 captcha and submitted it in 9 days and i called them to enquiry about my salary but that time they told me that i didnot complete my work with accurancy so you have to pay 8000 amount to us..then i checked my report that time i find that i entered captcha correctly but they showed differently i typed...Now they forcing me to pay the money..I am student..i am still studying..I cannot able to pay money for them..They fraud me and blackmailimg me to pay money..please help me to reslove my problem.
PXV call center number:[protected] PXV email id:helpline.[protected]@gmail.com