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
Vedas are largely philosophical works, some in dialogue form. They are the foundation of Hindu philosophical thought and its diverse traditions. Of the Vedic corpus, they alone are widely known, and the central ideas of the Upanishads are at the spiritual core of Hindus. The four Vedas were transmitted in various s (branches, schools). Each school likely represented an ancient community of a particular area, or kingdom. Each school followed its own canon. Multiple recensions are known for each of the Vedas. Thus, states Witzel as well as Renou, in the 2nd millennium BCE, there was likely no canon of one