Christianity believes in Holy Trinity, one God,his son (Jesus) and mother of Jesus. Praying to any body else other than these three is termed sin and it goes further to established that there is absolutely no other Deity other than the Holy Trinity. This theory has always sounded hypocritical to me. If a God can have son or wife then why not a father or a brother or an uncle, if we continue down the line we had similar Deities like (Odin, Thor, Frigg) or (Zeus, Hera, Ares) or (Shiva, Ganesh, Parvati) however Christian religious leader will call these Deities Pagan (Satanic). The other mono-theist religion, Islam is philosophically quite sound as compared to its predecessor Abrahamic faith, however being precise might not be as important as being accommodative to other school of thoughts.
If we know that something is a fact, we swallow it in the name of ethics even if it taste bitter, however if an idea is not a fact and it is intolerant towards other ideas, we do better to discard it. The idea that Aryans descended from Scandinavian reason towards other part of the Earth and created civilization is not a fact but merely a hypothesis which fueled raciest idea of Hitler resulting into the Holocaust and carnage, as a result we discarded it. It’s high time we discard monotheistic theory of any religion.
In Hinduism there are millions of Deities, such a huge number that even a scholar priest cannot name all or even 1 percent of them. Sometimes I wonder, how did we end up having so many gods and goddesses, it cannot be one school of thought. One possible explanation might be the accommodative nature incorporated in the dominant school of thought. It kept integrating every other idea of god into itself. That is the beauty of polytheistic religion. There are some philosophical branches of Hinduism that states shapeless, limitless God, something like pantheism (a bit similarity with Islamic idea of God) . Accurate English for Dharma (like Hindu Dharma) is not religion, it is “The way of Life”. Hinduism is not a religion, but a way of life.
When Hinduism met Islam or Christianity, it was a superior in philosophy but lacked political backing, it was also infested with social illness that gave chance to these two Abrahamic religions to remain untouched (though it did partially influenced the other two) by mighty Hinduism. Imagine a situation if Hinduism had dominated the interception, we might have a idol of Jesus in a chamber in a temple and a space to worship Allah. When we would go to temple, we would start worshiping with Lord Ganesh (as per custom) and continue worshiping Jesus, Holy Spirit, Mary, Vishnu and we won’t come out without offering Nawaj to Allah and there will be some other thing to fight about but not about Gods.