I'm unable to withdraw the money from SS Equitrade

I was made to invest in SS Equitrade app that they told it was a institutional account, a person named Molly she told she was a assistant of Mark Bilson, and I was invested about more than 2 lakhs now my account has reached 9 lakhs but if I want to withdraw the money they are asking money from me for the withdrawal... Please help me to withdraw my money back🙏