Freelancer — word typing

First they call you and tell u complete 200 images and send back to us i[censored]r accuracy is more than 70% u will get 66k rupees we will take 12% in that.. And when i sent the work they told me ur work is approved with 96.6% and please pay 1581 rupees for wallet after paying this they told me pay 6419 after that we will add ur salary in ur account after that when i refuse to pay that amount they are telling me they will not give my salary so that i have paid them 6418 after that within 15 minutes you will receive your salary they told me but this person have switched off his phone and not paid my salary and the amount which i have paid him kindly please help me for this at the least for the refund amount which i have paid them my agent rajendra