Quicker — not refund my money and telling me to deposit 3000 firstly then they will refund my amount

I have applied for job on quicker the registration i have deposit is 2000 and after that they told me to deposit 5500 i have paid 7500 total amount after that the told me to sign a bond which i have rejected and the co employee told me that they will refund my money before 10 feb but today i received a call and they tell me that i have to pay 3000 in co account then they will refund my money. I have in lots of trouble please help me. Company is totally a fraud and they did not told me about this while applying for job.
Today i received a call and the person is also so rude his no. +[protected]