The CSE-40 index closed at 6541.66 points after opening at 6560.57 points.
Infosys Technologies gained 10 paise after opening at Rs 2382.50.
Reliance Industries gained Rs 3.90 and closed at Rs 789.
State Bank of India gained 50 paise after opening at Rs 2146.
Tata Steel lost Rs 1.90 and closed at Rs 376.