You can try to excuse this back stabbing as much as you want. None of your neighbours have any reason to trust you... China, Pakistan, Sri Lanka, Nepal, Bangladesh... etc. All of them have a reason to distrust, or even to hate you.
Nehru should not have come up with that complete lie of "Hindi Chini bhai bhai" just before stabbing us in the back. Two-faced behaviour.
I don't see how its back stabbing. Chinese government back stabbed Tibet, the Dalai Lama and the Tibetan people if anything.
And you don't get to speak for our neighbors. They know whats best for them.