[rmlew]

The point is that there is no major conflict of interest between China and India, and for that reason, both countries are more likely to cooperate and collude than being openly antagonistic. Hence it's unrealistic to believe that India will go out of its way to antagonize China just because the US would like to see that. India is too proud to be an American puppet.
Perhaps you have missed the last 50 years of Sino-Indian relations?
1. China and India went to war in 1952. China occupies part of India. http://www.globalsecurity.org/military/world/war/indo-prc_1962.htm
2. China is involved with te Moaist insurgency in Nepal.
3. China and Pakistan are allied against India. China supported Pakistan in 1971.

China and Inda are competitors for raw materials and energy. Both compete for foreign investment and jobs.

[ardmoreokie]

You've missed the recent turn in events. Now, China and India bid together on oil fields (otherwise China outbids India everytime but overbids the actual value). Pakistan was a US ally too, so what? The 1962 (not 1952) Sino-Indian war was over 44 years ago. It was a 5 weeks long war. The US is now warming relations with Vietnam, etc, why is it so hard to imagine that China and India have gotten over it too?

China is NOT involved with the Maoist insurgency in Nepal. Just because they are self-identified as Maoists, does not mean China has anything to do with them. China hasn't supported any Maoist groups since the 1970s. I would like to see some sources on this from you.

[myknowledge]

That’s right. China is one hell of a threat to India. Why? Because the latter would be threatened in an instant when 200 million PLA soldiers and their war material march through the Karakoram pass westward toward Israel. And India has every right to defend itself and its ally Israel.