India, March 24 -- The stock market rallied upon opening as the trading session for the week began on Monday, March 24. Real estate, oil and gas, and media stocks rose the most.

At 9.15 am, the benchmark BSE Sensex was up by 481.79 points or 0.63 per cent, reaching 77,387.30. The broader NSE Nifty opened 124.70 points up or 0.53 per cent in the green, reaching 23,475.10.

Among the 30 Sensex stocks, NTPC rose the most upon open by 2.15 percent, trading at Rs.358.70. This was followed by Tata Motors, which was up 1.72 percent, trading at Rs.714.95, and Power Grid Corporation of India, which was up by 1.38 percent, trading at Rs.286.90.

Among the Nifty sectoral indices, the Nifty Realty Index rose the most by 1.29 percent, reaching 873.85...