The Vedas
(Sanskrit वेदाः véda = "knowledge") are a large body of texts originating in ancient India. Composed in Sanskrit, the texts constitute the oldest layer of Sanskrit literature and the oldest scriptures of Hinduism. In Vedas which are not written, great sages directly revealed and thus called sruti ("what is heard") and the disciples listen ("shraddha") and knowledge is stored in the human memory ("smrti"). It is the ancient vedic way of education. Later it formed into Vedic manuscripts and those texts or śruti are organized around four main collections of material known as Saṃhitās, of which the first three are related to the performance of yajna (sacrifice) in historical Vedic way life.
  1. The Rigveda, containing hymns to be recited by the chief priest who is the invoker.
  2. The Yajurveda, containing "sacrificial formula" + veda ("knowledge") to be recited by the officiating priest.
  3. The Samaveda, containing "melody" + veda ("knowledge") to be sung in a set of melodies by the priest which consist of music, hyms, and other arts.
  4. The Atharvaveda, mainly on material aspects of life and hymns to correct mistakes.
The various Indian born religions and sects have taken differing positions on the Vedas. They are Jainism , Buddhism, Sikhism, Paresis. These religions or sects have a portion of Vedic knowledge in their roots. Many paths to the One.
Ayurveda
(Sanskrit आयुर्वेद; = Āyurveda, means ayur mean life , veda means knowledge , "the knowledge for long life")
It is from the Vedas, mainly from Atharva veda. The earliest literature on Indian medical practice appeared during the Vedic period in India. i.e, in the mid-second millennium BCE. The Suśruta Saṃhitā and the Charaka Saṃhitā.

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