F&O expiry: Nifty ends April series above 17,200; Sensex gains 702 pts
CLOSING BELL: 26 of the 30 Sensex constituents and 45 of the 50 Nifty constituents ended the day in the green led by HUL, HDFC Life, SBI Life, Asian Paints, UPL, PowerGrid, L&T, NTPC, SBI, and Infosys
)