I. The Charvaka System II. The Bauddha System III. The Arhata or Jaina System IV. The Ramanuja System V. The Purna-prajna SystemVI. The Nakulfsa-Pa8upata System VII. The Saiva System VIII. The Pratyabhijna or Recognitive System IX. The Rasegvara or Mercurial System X. The Vaideshika or Aulukya System XI. The Akshapada or Nyaya System XII. The Jaiminiya System XIII. The Paniniya System XIV. The Sankhya System XV. The Patai'ijala or Yoga System XVI. The Vedanta or System of Samkara Acharya