200$ stucked in Broker account Broker is not list

Deposited 100$ in a broker account name Vision FX Global to trade in forex Meta5 and got 200$ credited in broker account by initiating of an unknown person as he told me after some small trading I made it 300$ but the main thing comes I asked him to withdraw the amount to understand the process he told me to trade in 1000 lot Atleast 20 trade for which u need to deposit 1000$ then I got that someone is wrong and after that my money is stuck in and I was unable to withdraw the amount and after so many mails and complaint got nothing broker is also not gone