Wow... that's why i asked you to go and read the neutral source aka UN. UN report on 48 war clearly brands Pakistan as the aggressor, Not India. and if the plebiscite to take place Pakistan should remove its forces away from Kashmiri territories it occupied, which was never fulfilled by Pakistan. Its the UN verdict.. please check it in UN site.
Please ask your own Senior friends from Pakistan in PDF anout who violated siachen!!! It was Pakistan which let the tourists in order to acknowledged Siachen as Pakistani territory. India only Preempted and captured it fighting pakistani soldiers. As per Arunachal!! It was always the Indian Territory nothing to do with China.
Like i said stop believing everything you heared from madarassas. be wise and learn from the neutral sources.. Pakistan has a pretty large parts of Kashmir in North.. when Pakistan was Aiming to capture the Capital Indian forces were focusing on capital, defending and pushed them back.. that's the one of the reason Northern parts became under Pakistani control.