I think India, particularly in light of its recent advances in military technology, our common military and geopolitical interests, and it’s geographic location would make it an excellent ally...
Plus, India’s use of ultrasound to select only male babies has produced a huge surplus of millions of men who have no prospect of getting a wife. I’m sure that there are some in the Indian government who wouldn’t hesitate to feed into a meat-grinder of a war with China, who also has millions of surplus men, with only the prospect of taking care of aging parents. A protracted war would solve the surplus male population problem of both countries.