Zerodha is india’s largest discount brokerage and the best site for online trading for both intraday and delivery trades. for intraday trades upto 20x margins are given and brokerages for trades are .01% or 20/per trade whichever is lower. you can calculate brokerage using zerodha brokerage calculator which is the best feature the site has provided. zerodha makes trading super easy and handy with inbuilt indicators.