Magnum Tech — fraud

MAGNUM TECH has done fraud with me. they offered a part time home based data entry form filling job work from home with 700 form per week and will pay 21000/- weekly. first day when i started my work and within few hours they blocked the login account. Yesterday they called me and asked with a penalty amount of Rs 7999 when i said i dont have this much amount they said now according to the agreement come to high court and have legal preceedings and have taken Rs 5000 by backmailing as a penalty amount. plz do help me they are asking for more money. And help me to get my hard earned saving of Rs 5000 as i am student i teach and earn money.