Wow, you think the world revolves around India?
India is not even considered a "great power", while countries like France are.
Great power - Wikipedia, the free encyclopedia
The only thing you got right, is that China and Pakistan started getting much closer after 1959. That was the year in which India hosted our largest separatist group, which eventually lead to the 1962 war. Nehru's ridiculous forward policy, was only the short term trigger.
China and Pakistan's relationship
today, goes far beyond an annoying neighbour like India. Pakistan gives us a land-link to the Middle East for pipelines, access to Gwadar port in order bypass the Indian Ocean, and they are also our gateway into the resource-rich Islamic world.