Indian religions Brahmanas and the older Upanishads (both presented as discussions on the rituals, mantras and concepts found in the four Vedas), which today are some of the most important canonical texts of Hinduism, and are the codification of much of what developed into the core beliefs of Hinduism. Some modern Hindu scholars use the "Vedic religion" synonymously with "Hinduism." According to Sundararajan, Hinduism is also known as the Vedic religion. Other authors state that the Vedas contain "the fundamental truths about Hindu Dharma" which is called "the modern version of the ancient Vedic Dharma" The Arya Samajis recognize the Vedic religion
Ancient Iranian religion peoples are completely unknown except from the elements they have left Iranian religion which has no parallel with other Indo-European religions. The ancient Iranians believed in a cosmos which was a three-tiered structure. This structure consisted of the earth, the atmosphere, and the heaven above. Beyond heaven was the realm of Endless Lights while below the earth lay the realm of darkness and chaos. The earth rested on a cosmic sea called the Varu-Karta. In the earths centre was cosmic mountain Hara. Down the Hara flowed the river Ardvi. The earth divided into six continents surrounding the central continent. The