Thanks for reply, agreed, wisdom capital provided 3x margin only catch is they are provided this in lucky 7, as I am checking there brokerage calculator may be they have some problem in there calculator it showing wrong values in there brokerage, even if u used this plan then u r "BREAKEVEN POINT" increase in some extent which ultimate destroy in trading strategy specially "INTRA DAY STRATEGY" as i am trading minimum order with 10 lot, in RKSV trading with NIFTY 30rs option cost me around 0.06 breakeven & 50rs option cost me around 0.10 breakeven & 100rs option cost u 0.19rs which comes with 50% margin for writing option which is too good for me, even ZERODHA provide 40% margin for writing option but u have to pay 40rs per order (BUY+SELL) which increase u r "BREAKEVEN POINT" "BEING INTRADAY TRADER" "BREAKEVEN POINT" in more important then margin, "COMPARING "BREAKEVEN POINT & MARGIN RKSV IS BEST BROKER FOR NIFTY OPTION TRADING" so I am trading with RKSV