a) Vedas (4) : Classified by Vyasa - 1131 recensions (SakhAs): ~25,000 mantras
b) Vedangas: (6) & c) Upangas (4) (to understand Vedas completely and in depth)
II. Upa Vedas (4)1. Ayurveda Science of Life
3. DhanurvedaScience of Weaponary and Warfare
2. Artha SAstras - Science of Wealth /Economics
4. Gandharva veda Treatise on fine arts, music,etc.
III. Aranyakas and Brahmanas - Vedic Scriptures
learnt and interpreted by Rishis in the forests are Aranyakas and those
interpreted in homes for homely use are Brahamanas:
Upanishads: are placed towards the end of Aranyakas.
They
deal with aspects of realizing through the path of knowledge (jnana
marga), the nonduality (abhedha) of Brahman. They are considered as the
quintescence of Vedas.
PrasthanatrayI: (Texts on Tattvajnana - Knowledge of Self - Metaphysics):
1. Upanishads;
2. Bhagavad Gita;
3. Brahmasutras; 2 & 3 are not vedic scriptures, they are given this status due to their content.
32 Primary Vidyas:(Primary Knowledge)
4 Vedas,
6 Vedangas,
4 Upangas,
4 Upa Vedas,
2 Ithihasas,
Tantra,
Smriti,
Nastikamata (agnosticism),
3 Sastras (artha, kama andshilpa),
Alankriti (asthetics),
Kavya (poetry),
Desabhasha (linguistics),
Avasaokti, Yavanamata,
Desadhidharma.