bank nifty taking support from given trendline on chart so, if it will take support from that level and give breakout above 36850 then go long for TGT 36000/36120 with SL below trendline.
and if break the trendline and give breakdown then go for the TGT of 36420.
But due to the expiry bank nifty option premium will high volatile so trade with strict and accurate SL