Technical Analyst, owner of TRADEMANIAC
you can take sell trade below 40300 for the tgt of 40220,40180, 40100,40000,39900,39820, 39790
SL above 40300. If Banknifty cross the above magic box, then only u can think about being banknifty.
All level is shared for educational purpose. Take trade with your own analysis.
TV chart:=https://in.tradingview.com/chart/BANKNIFTY1!/PhHF9ZMb-Banknifty-Future-Intraday-Positional-view/