Margin money and Lot size

#1
Dear Friends, Investors, Experts!

I am Anbarasu. I trying to reach F&O segment so, I have some doubts.

1.) if, I decide to buy Nifty Future/stock futures.where i can find the Lot size and how much i pay the Margin money? before of purchase.


Any correction pls. leadout me.


Thank you Everyone!:thumb: