The 30-share barometer rose by 234.10 points, or 1.23 per cent, to 19,213.86 points in mid-session. The barometer touched a high of 19,249.35 points and a low of 18,929.38 during the day trade.
The Sensex has rallied over 700 points in the last two sessions.
The broad-based National Stock Exchange index rose by 80.85 points to 5,673.80 at the same time.
Brokers said the market sentiment remained bullish ever since new RBI governor Raghuram Rajan took over and announced slew of measures to boost economic growth.
ONGC was up by 5.52 per cent while RIL gained nearly 1 per cent.