The resistance zone has been quite strong for icici bank, can possibly act as support now after breaking out. If the formation of double bottom is completed and it breaks the trendline, high probability of reversal. The levels of 630-635 are being defended by the buyers. It is a confluence of multiple supports coming in. The breakout if happens should nullify the formation of lower highs and lower lows. Keep a close watch. NSE:ICICIBANK