Benchmark index Nifty reclaimed 22,800 after six sessions, led by Reliance Industries after Jio Platforms extended debut gains and IT stocks after the US Federal Reserve held interest rates steady as expected. At 1:22 pm, the Sensex was up 584.61 points or 0.8% at 73,830.64, and the Nifty was up 151.05 points or 0.67% at 22,849.90. About 2,074 shares advanced, 1,802 shares declined, and 160 shares were unchanged.