Tibet was a military takeover by Red Army. There was no way India could militarily defend it. India's first priority was to achieve national consolidation in post-parition era. One of the responses was linguistic splitting of the state to reinforce cultural identities over religious ones. Then there was severe neo-colonial pressures via Pakistan. So naturally a wise PM would opt for negotiated peace while it focussed on obtaining nuclear technology and eronautics and aviation technology which was done by him. Above all he grasped the immeasurable strength of rule of law in civil democarcy. Pray, show some real discernment and accord genuine understanding of our real and many stalwarts, of which Nehru was one. We diminish ourselves by not respecting our own people and our leaders.