The roots of Hindu methodology is deeply imbedded in the Indus valley civilization. Hindu methodolgy recognizes one supreme God, one divine entity who is both at one with the universe and transcends it at the same time. In Hindu methodology, it is believed that the one and only divine entity to exist as three separate parts: 1. Brahma, the Creator, who perpetually creates new realities, 2. Vishnu, or Krishna, the Preserver and the protector, 3. Shiva, the Destroyer. In Hindu belief everything comes from nothing and goes to nothing, in cycle after cycle. Therefore, Brahma creates the universe, Vishnu takes over as its caretaker and then Shiva destroys it so that Brahma can begin the cycle again.
Hinduism is such an ancient religion; there are many divisions and variations in tradition and custom. Hindu sects are enormously tolerant of each other, and to other religions, believing as there are many paths to the one true omnipotent God.