For work
If banknifty open flat then
Banknifty sell below 30420 for target 30350-340,30300,30260,30180-150 then trail SL and extend the target 30 30 point
Banknifty buy above 30700 for target 30780-790,30850-860,30920-940 then trail SL and extend the target 30 30 point