This is what I have seen so far after analysing multiple time frame. Do always analysis.
Banknifty prediction for upcoming expiry Do your own analysis before any trade.
If you are ready to take Risk, then enter the trade, Otherwise don't. This is what I am going to do tomorrow.
This is What I see,Do Your Analysis. Wait for the confirmation, If its breaks the trend line.
Symmetrical triangle is formed,on 15min time frame. It can break any side. This is my point of view. Do your own analysis before entering the Trade.