Of course they know what’s going to happen. Of course the org charts are already finalized or at least very close to it.
They can’t announce what they are going to do specifically because it’s is going to be pretty horrible for the workforce in the US and AUS.
They don’t want a mass exit before they have everything situated in India. They need you to produce just a little longer and give them enough time to ensure they already have onboarded your replacement.
Not what you want to hear but it is the likely scenario.