Every account except in Pakistani history books clearly shows that the Indian army landed in Kashmir only when the Pakistani sent terrorists were at the gates or Srinagar and maharaja of Kashmir requested assistence. Whatever may be the reason, Jinnah (or Liaqat Khan) sending armed non uniformed men to attack, pillage, rape and kill Kashmiri civilians was the first act of terrorism in post British subcontinent. Even if Jinnah was not directly instrumental in sending the tribals, by the virtue of being the leader of Pakistan at the time, he was responsible
Draw a graph of violence in Pakistan before and after 2008. You will see the response