Jp Solution — threatening for money

I have got a call from JP solutions saying there is a work from home job which includes 250 Links of Videos. And Need to watch it per day. After 10 days of doing this salary will be released fo 12, 500. And if i fail to do so i nees to pay 5000 ra as cancellation charges.

I have paid 7500 as a cancellation charge bt still they are asking and threatening me for more money saying that it was 11 months contract and need to cancel by paying sometimes they ask for 17000 sometimes for 9000.

Please give me the solution on this