The 30-share BSE Sensex rose by 136.63 points or 0.17% to settle at 81,926.75 after a see-saw trade. During the day, it jumped 519.44 points or 0.63% to 82,309.56; the 50-share NSE Nifty climbed 30.65 points or 0.12% to 25,108.30