Bank nifty too stretched from the 20EMA?

Bank Nifty came under profit booking and selling pressure from FII's. A doji on the weekly chart and a bearish strong candle engulfing on the daily chart.
Levels are far stretched from the moving averages -20EMA for a while now, time for the twin to meet? Lets see if the bearishness remains on weekly expiry day as well.
BANKNIFTYChart PatternsTrend Analysis

Disclaimer