TF - Weekly Piercing pattern is seen in Weekly TF. after a continues downtrend, Green candle is seen. This pattern means, downtrend is finished.
now we can expect uptrend in this script.
2 more reasons which makes it strong, - Bank Nifty has seen "bullish engulfing" candle. whole banking sector starts journey on upward move. - fundamentally, lockdown is eased to all over, except some of the areas in country.