For NIFTY use super-trend 10,3 and for BANKNIFTY use super-trend 10,3
BUY SIGNAL:
Buy when price moves above Super-Trend changes color to Red and price is above EMA(HIGH, 89) on 10 min charts.
SELL SIGNAL:
Sell when price moves below Super-Trend color changes to Green and price is below EMA(LOW, 89) on 10 min charts.