The Sensex at the Bombay Stock Exchange rose 137 points, or 0.7 percent, to close at 19,152, today, after the Economic Survey forecast 6.1 to 6.7 per cent GDP growth in the next fiscal, and as regional markets climbed. The Nifty at the National Stock Exchange gained 36 points, or 0.6 percent to 5,797.Key stock indices in China, Hong Kong, South Korea and Singapore gained between 0.2 percent and 1 percent. MM/1655hrs