Liquidbees pledge exposure brokerage etc

Query (1)
Keeping the available net cash free float balance zero . If i pledge 500 quantity liquidbees with you ; how much money will i get as collateral ? And on that colleteral money , how much MIS intraday margin exposure leverage can i get to trade on cash equity and FnO without having any cash balance ? Do you have any charges fees etc for this ?

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Query (2)

I have heard that brokers do not charge any fees brokerage commission etc to trade in liquidbees !
Do you ?

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Awaiting for the reply.

Thk u