At close, the Sensex was down 189.45 points or 0.36% at 52735.59, and the Nifty was down 45.70 points or 0.29% at 15814.70 even as Finance Minister Nirmala Sitharaman announced relief measures for an economy, battered by the second wave of Covid-19, and which is bracing for a possible third wave. Asian Paints, Housing Development Finance Ltd (HDFC), State Bank of India, Reliance Industries Ltd (RIL), NTPC were among the top Sensex gainers. Maruti Suzuki, TCS, Larsen & Toubro, Bajaj-Auto, Mahindra & Mahindra, Infosys, HCL Tech, Bharti Airtel were top index laggards. About 1826 shares have advanced, 1420 shares declined, and 147 shares are unchanged. Barring Nifty IT and Nifty Media indices, all the Nifty sectoral indices were trading in the green, lead by gains in Nifty PSU Bank and Nifty Metal which gained 1-2 percent. BSE Midcap and Smallcap indices up 0.4 percent each.