The benchmark BSE Sensex rose 270 points to close at 83,713, while the broader Nifty 50 gained 61 points to 25,523. The Nifty Bank index climbed 307 points to 57,256, supported by buying in private lenders. In contrast, the Nifty Midcap 100 index slipped 100 points to 59,415, reflecting broader market caution.