Reliance shares rose 1.7% after Indian stock exchanges on Wednesday gave the go-ahead for Future Group's $3.4 billion deal to sell its retail assets.
On the Sensex chart, HCL Tech was the top gainer, soaring around 6 per cent, followed by Infosys, HDFC, Bajaj Auto, Maruti, Tech Mahindra and M&M.
After swinging 599 points during the day, the 30-share BSE Sensex settled 128.84 points or 0.38 per cent lower at 33,980.70.
After rallying 1,474.36 points during the day, the 30-share benchmark surrendered some gains to settle 637.49 points or 2.03 per cent higher at 32,008.61.
After a volatile session, the 30-share BSE gauge settled 371.44 points or 1.17 per cent higher at 32,114.52. It hit an intra-day high of 32,199.91 and a low of 31,661.34.
The 30-share Sensex rose by 199.31 points or 0.49 per cent to end at a new life-time high of 41,020.61 as 24 of its constituents ended in the green.
The broader NSE Nifty briefly reclaimed the 12,000 level, before finishing at 11,966.05, showing a gain of 48.85 points, or 0.41 per cent.
Auto and consumption stocks buzzed as investors welcomed incentives for the agriculture sector and middle class in the budget.
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