US Congress is likely to take up a giant immigration bill this month, which recommends nearly doubling the number of H-1B skilled-worker temporary visas to 115,000. The measures include not just increasing the number of visas but also add an option of raising the cap 20 per cent more each year. If passed, the provisions buried in the Senate's giant immigration bill, would open the country's doors to highly skilled immigrants for science, math, technology and engineering jobs. The provisions were sought by Silicon Valley tech companies and enjoy significant bipartisan support amid concern that the United States might lose...