Good level for Bank Nifty 42700

Bank Nifty have made three highs near 42700, If breakout above 42700 and sustain successfully, it will go up.
*Breakout with huge volume must.
First high 9th Jan,23 42716.80
Second high 16th Jan,23 42715.65
Third high 20th Jan,23 42709.20
TARGET 43650
SUPPORT 41550
Going to be tough level for BANKNIFTY