I have opened my trading & dmat acount with zerodha from last 18 months.they are the discount broker.
Some of easy tools.1) zerodha varsity -learning machine of market. 2) brokerage calculator and 3) margin calculator.
Also from last december they have introduced ZERO brokerage for delivery trades.also max brokerage is rs.20 for intraday and fno segment.so thats cool.
https: //zerodha.com/brokerage-calculator? c= ZMPDVChttps: //zerodha.com/brokerage-calculator? c= ZMPDVC
Discount Brokerage
https: //zerodha.com/open-account? c= ZMPDVC
Also new trading platform like kite app, kite website and pi software are traders friendly.thats just simplified way to trade.