Christianity and Islam are flip sides of the same coin. Both are about "saving" (converting or killng) heathens and infidels. The West has a certain advantage because of its secular-when-it's-convenient policies (first the traders, then the soldiers, THEN the missionaries).
Yes, they will lose. India is the next superpower. But what kind of power will she be? Will she be India: a secular, Western style, caste ridden, empire? Or will she be Bharat Mata, the queen of nations who spreads the Dharma all over the world?