Now Banknifty had broken the major support range @18990-19030, traded and closed below it. So for now it is weak and we can see much lower levels. We can see the the downside below this range till 18650-18680 and below that a level of 18440-18460. Bounceback if happens can be seen from these levels towards these supports which will act as the resistance now.
We will review it at regular interval on the journey.
Lets see what happens..