Pakistan doesn't control any part of Jammu (J in J&K). When Jammu and Kashmir is disputed, that clearly tells that entire state of Jammu and Kashmir - regardless of who controls it - is disputed.
Laddah was uninhabited (or very low at population then). Here Pakistan's claim on Kashmir is Muslim Majority and that was the division plan and how Pakistan came into existence. On the same principle, Kashmir too is Pakistan.
Kashmiris are continuously on the rise and attacking Indian soldiers at a rate not seen before. They have attacked Indian airforce base and then Indian military camp. With more than 7,00,000 Indian soldiers trapped in Kashmir, if India is not uneasy then fine. We are actually happy that Indians don't see that as a problem as yet.