i.
Schools rejecting Vedic authority
(Heterodox or Nastika)
Carvaka,
Buddhism, Jainism
ii.
Schools not rejecting Vedic authority
(Othodox or Astika)
a) Schools
directly based on Vedic texts:
Mimamsa (It emphasizes
ritualistic aspect of the Vedas)
Vedanta (It emphasizes
speculative aspect of the Vedas)
b) Schools
based on independent grounds:
Sankhya, Yoga, Nyaya, Vaisesika