Generally the goal of an authoritarian government is keeping the leader in power long enough to rob the country blind and then die peacefully. Where they have goals outside of that they do not tend to prioritize education — educated people often have more of the resources they need to challenge power.
Power is always in comparison to something. You are powerful compared to somebody. So as long as they have enough to exercise control over minorities of India and feel nice about it they are powerful enough.
The whole idea of western style power over the whole world is not something they imagine as power. Or at least proactively work towards.