Now Nifty is in the Important zone resistance zone there are several possibilities once broken the resistance level the next target levels as per Fib extension levels are 1. 17850 2. 18864 3. 19462
if any rejection is found then it will comes around 16149 Level which is 0.618 retracement level
And also nifty forms a Double bottom pattern and the target is also made after a long bull run high chances are nifty to take some pullback