This signal is further confirmed by Aroon indicator below where red indicator crossing above the green indicator.
Go ahead with shorting NSE:BANKNIFTY
1. Supetrend turn bearish (Showing down arrow)
2. Aroon bullish indicator (green) cross bearish indicator (red)
3. Renko charts turns green and start moving upwards crossing EMA line.
Normally all these 3 things happens simultaneously with an hourly gap. If not, we will ignore it and continue our bearish position.