At Close, the Sensex was up 300.44 points or 0.51% at 59,141.23, and the Nifty was up 91.50 points or 0.52% at 17,622.30, as investors awaited key central banks' decisions, including that of the US Federal Reserve, due later this week. Bajaj Finserv, M&M, Infosys, State Bank of India, Axis Bank, IndusInd Bank, and Power Grid Corporation of India were among the top index gainers. UltraTech Cement, Asian Paints, Titan Company, Tata Steel, HCL Tech, and Maruti Suzuki were index laggards. About 1665 shares have advanced, 1852 shares declined, and 127 are unchanged. The BSE MidCap and SmallCap indices slipped 0.16 percent each. Sectorally, the Nifty Metal, and Realty indices closed in the red, falling from 0.5 percent to 0.9 percent. On the contrary, the Nifty PSU Bank index advanced 2 percent, and the Nifty FMCG and Auto indices surged 1 percent each.