I dont want to be picky but Canada is the second largest country in the world, India has the second largest population.
ANd although India was included in it's entirety in ETW, I would actually like to see India as part of R2TW (or at the very least the northern part of the country), so you could try and push your empire past the furthest limits of Alexanders empire. And India does indeed have alot of fascinating culture and history during the classical period, it would be glorious to see their armies match up against the Seleucids or some other such faction.