unable to withdraw n force me to pay tax 4.5 lakh

dear sir my name is Rajkumar I am from Salem Tamilnadu, Sir I was being cheated by this VGD Vanguard group club firstly I don't know they are a forgery cheats now my life is totally miserable they have rob all my hard earnings life savings 2 months back I have invested 6 lakh in this Venguard lioring me to buy several stocks , block trades, IPO etc atlast i have 73lakh total in the Vanguard account 15days back I requested to the professor assistant Megan Finlay that I want to withdraw some money to solve my debt , n problems but she said no, you can't withdraw unless you pay the tax for the SIBI of 4.5 lakhs first , I told them I have no money to pay... I even request to the professor n the customer care to debit the tax amount from my vanguard account and pay the tax , they said it's against a law they are unable to debit from my account , sir for the past 15 days this Megan everyday sending message asking me to pay otherwise the account will be freeze , now 2days back the Venguard website is not working it's showing error , even their photos disappear on WhatsApp dear sir if you could please help us in this matter