Being a state within the Indian Union there are specific lists of areas for wha aspects are governed by the state and what parts by the central government. This is not called 'managed' by others, simply the way we are organized.
On the topic of independence, beyond leadership and force that you mention, a movement also needs a just cause. That is absent here. It is simply the fanning of trouble by Pakistan that keeps the call for independence breathing.
Here is the thing, that State within the Indian Union does not want anything to do with India, so anything else is blowing air. The thread was : Would and Independant Kashmir be acceptable to Pakistanis? All Pakistani posters have said yes, aap ki bolti band ho gayee, but being the beghairat and be sharam lot you are you are still squirming. Oh well let your mujra continue.