Indian stock market is upbeat following forecast of normal monsoon. The Sensex at the Bombay Stock Exchange ended with a good gain of 349 points, or 1.8 percent, at 19,471 on Wednesday. Firm global markets also contributed to the gains. The Nifty at the National Stock Exchange surged 111 points, or 1.9 percent, to 5,852.Stock markets in Japan, China, Hong Kong, South Korea and Singapore rose between 0.3 percent and 2.2 percent.