Greaves Cotton appears to be at a point of strong previously proven support point. Also, the stochastic indicator shows a bullish cross over. Going long seems like the right thing to do.
The cup and handle formation seems perfect with volume drying up on the way down and increasing on the way up in the formation of the body of the cup. The handle appears to be the right length too forming on the upper half of the body of the cup. The stochastic indicator is also at an oversold position. Theory and history suggest that spectacular moves upwards...
Looks like a triangle is formed which should result in continuation of the uptrend upon its completion. A decisive close above the triangle (near the apex) should confirm the continuation in uptrend. Should wait till that happens.