The problem is that Indian culture is both ancient and has exercised a very wide influence. While Christianity and Islam reflect a syncretism of Jewish culture with Greek and Arabic cultures respectively, Indian culture has syncretized with other parts of Asia in the form of Buddhist influences. Buddhism is the world's fourth-largest religion and would have been impossible without the influence of a prince from Maghada. Yet Indian contributions to world history are often ignored in other ways, as well. India, for one thing, is the ultimate origin of the Romany people, whose absence will change Europe. The subcontinent has also been a major cultural center and is the center of the largest subset of the Indo-European language family, as well as cultures with no other links anywhere else. It has also been a major center of Islam, and has one of the oldest Christian cultures in the world in Kerala.
Yet in AH there is almost complete ignorance of India and how it might impact things. AH that focused on an India that remained independent of colonial control and ironically not a unified state or that details what impact an evangelistic Hinduism might have had on the subcontinent and the world should be written. Another in the AH-Gripes series.