Nifty on a crucial Point

#Nifty- facing good resistance @ 18080 -18100 level, Price rejected multiple times from the zone also this time we have seen rejection.

Situation 1 -If Nifty sustains above 18100 for 15 min then initiate longs

Situation 2- on a downside 17870-900 is a buying zone, can see reversal

Situation 3- if Nifty sustains below 17850 for 15 mins then can initiate shorts.