The massive buying spree sent the NSE-benchmark Nifty rallying by 65 points to end at 8,266.45.
Staying focused on containing inflation, the apex bank in its second bi-monthly monetary policy meeting of this fiscal kept the repo rate unchanged but signalled a prospect of interest rate cut later this year if strong monsoon rains dampen inflation.
Although the RBI's decision to keep key interest rate unchanged was largely in line with expectations, investors are factoring a repo rate cut in August, a floor trader commented.
Mid-cap and small-cap indices too made a spectacular comeback.
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Meanwhile, bourses across Asia closed higher on easing worries over an imminent Fed rate hike after US Federal Reserve chief Janet Yellen voiced concern on weak jobs data amid uncertainties ahead, including Britain's referendum on its EU membership.
The 50-share Nifty resumed firmly higher at 8,235.55 and moved between 8,294.95 and 8,216.40 before concluding at 8,266.45, registering a smart rise of 65.40 points, or 0.80 per cent, over its last close.
The prime index movers were ICICI Bank, ITC, SBI, L&T, Sun Pharma, HUL, UltraTech Cement, TCS, Zee, Kotak Mahindra, Tata Motors, Adani Ports, HDFC Bank, Bosch, ONGC, M&M, Lupin, Tata Steel, Hindalco and Wipro.
Notable losers were Infosys, IndusInd Bank, BPCL and Eicher Motors.
A total of 933 stocks advanced, 616 declines while 77 ruled stable.
The market capitalisation of NSE stood at Rs 98,60,297 crore.