Ko ngā kura e hāngai ana ki te whakaaro o ngā Upanishads, ko ngā tikanga "orokato rānei, ko ""Hindu"" rānei, ka whakaritea kia ono ngā toroa, me ngā hinengaro rānei:Sānkhya, Ioka, Nyāya, Vaisheshika, Mimāmāsā me Vedānta."