I think the main reason you're seeing this happen is that surrogacy fees come to about $12,000 in India vs. $70,000 in the U.S. I wonder, though, about the laws around protecting the women who serve as surrogates, as well as how this is affecting the already relatively low focus on adoption in the country...

Quoted: The Akanksha clinic is at the forefront of India's booming reproductive tourism— foreigners coming for treatments such as in vitro fertilization. But the clinic's main draw is its success using local women to have foreigners' babies.