Sikkim war had nothing to do with C0K , comparing potato with oranges, Sikkim wasn't disputed ? lol you guys tried to annex it . like you mainland hans always do
According to the Indian version that is supported by a neutral source, the duel was initiated by the Chinese troops after a scuffle between the two, when the Chinese troops infiltrated into the Sikkim-side of the border, claimed the pass and questioned the Indian occupation of it
neutral source proof
https://books.google.co.in/books?id=G3nsCgAAQBAJ&pg=PA239#v=onepage&q&f=false