There is a Supply Zone on Weekly Chart @ 17800-17900 and Supply Zone on Daily chart @ 17850-17900.
There is Demand Zone on Weekly Chart @ 17400-17450 and Demand Zone on Daily Chart @ 16780-17745.
Normally there should be a follow through in price from weekly supply zone but Nifty is taking support from it's daily demand zone.
Also there is a positive RSI Diversion on Daily Chart.
There is a higher probability of breakout.