China's #2, but where's India?

So unless you've been under a rock you probably know that China surpassed Japan as the second largest economy (though on a per capita basis, China remains one of the poorest in the world). To give some context, from the Economist:

While I can't say I'm that surprised about China given how poorly Japan did, looking at the historical share of global GDP, all the accolades given to Indian graduates, I can't help but wonder, what happened to India?