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
Historical Vedic religion the textual evidence suggests significant differences between the two. The Vedic religion is described in the Vedas and associated voluminous Vedic literature preserved into the modern times by the different priestly schools. The Vedic religion texts are cerebral, orderly and intellectual, but it is unclear if the theory in diverse Vedic texts actually reflect the folk practices, iconography and other practical aspects of the Vedic religion. The evidence suggests that the Vedic religion evolved in "two superficially contradictory directions", state Jamison and Witzel. One part evolved into ever more "elaborate, expensive, and specialized system of rituals", while another part questioned