That figure includes all the DP members who post "Sir, I seo expert" too because they are considered as English speakers from the Indian Census' point of view.
China has more population than India but they are not in the top because most of the Chinese can't read or speak English at all. They even use their windows XP/7 in Chinese.
Word up. That would be an intrinsic benefit to the Indians but they're still lagging way behind the Chinese. What's up with that bro?