Nifty Support and Resistance Lines

Use volume.

Place stop losses.

Use other technical analysis tools.

Buy at support. This is a bullish strategy that involves buying an asset when it reaches a support level. The trader is betting that the price will bounce back up from the support level and continue to rise.

Sell at resistance. This is a bearish strategy that involves selling an asset when it reaches a resistance level. The trader is betting that the price will fall back down from the resistance level and continue to decline.