Despite Hinduism having thirty three million gods, it is nonetheless considered a monotheistic religion. In this essay, I will thoroughly explain why it is monotheistic and not polytheistic.
The definition of monotheism is the belief in a single, omnipotent god, whereas polytheism is the belief in many gods. Hindus explain that the gods are merely various forms of a single Supreme Being. Similarly, philosophical texts advocate a pantheistic (the belief that a god or gods is identical with the whole natural world) view of ultimate reality. These texts, named the Upanishads, say there is a single Supreme Reality, known as Brahman.
Brahman is the source of all the other gods which are just various forms.