Use price action.
After respecting the resistance at 260, it is forming consistent higher lows, and seem to form an ascending triangle pattern, if it breaks 393, we might see it heading towards higher levels.
You might wanna analyze bank nifty, for the confirmation.
You can analyse the ICICI fundamental for long term move.
I hope it helps 
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The results speak of themselves in every parameter
Take it from me icici is going to bat for bulls on Monday with price reaching 425 levels