They both compete for the same H1B visas so it has happened a lot of times. The H1B at Tata getting 70k a year took a spot from a software engineer at Google earning more than twice that. That is how lotteries work. Raising the wage requirement will mean that the actual talent will have better chance to get in. And yes, a lot of Googles new engineers comes from India, that is a good thing, the bad thing is companies like Tata abusing the system to get low paid labor into US.