From Times of India:
" The extent to which desis have made an impact in the US was reeled off in the Rajya Sabha — as many as 12% scientists and 38% doctors in the US are Indians, and in Nasa, 36% or almost 4 out of 10 scientists are Indians.
If that's not proof enough of Indian scientific and corporate prowess, digest this: 34% employees at Microsoft, 28% at IBM, 17% at Intel and 13% at Xerox are Indians."
P.S. Seems to be wrong: