The indians believed in polytheism & reincarnation. The belief of many gods & the fact that if you are a good person on the 1st life that you will be a better person in the second life. Also i learned that Brahman is the most important god. The indians had the earliest irrigation system. They smelted iron. INdians leaders were scientists in many different fields.The silk road was big in INdia. They got rugs from Turks. Cotton was a very common available source that they traded. The more prints they have on a coin the more its worth.