Part of the Commonwealth, no?

Not in modern times no. It gained complete independence from Britain in the 50s I think? Unless you're referring to all countries that were at one time controlled by the British Empire, which I think is a little out of touch with how much those countries have diverged from one another politically since then.

Ah I thought you were referring to the Commonwealth realms [1], which do not include India but do include nations like Canada and Australia. The point on diverging political stances still stands.

[1] https://en.wikipedia.org/wiki/Commonwealth_realm

yeah but with its own problems and a location that would make it think more carefully about escalating antagonizing China to military intervention

Commonwealth implies Oceania. (but does pakistan stay in, or go with Eastasia?)

For both Orwellian and cultural reasons, I could easily see russia modifying some laws and joining Eurasia.