Sadh Darshana or the six systems of Indian philosophy are:
- Nyaya of Sage Gautama – deals with logic
- Vaisheshika of Sage Kanada – deals with atomism
- Samkhya of Sage Kapila – deals with evolution
- Yoga of Sage Patanjali – deals with involution
- Purva Mimamsa of Sage Jaimini – deals with Ritualism; and
- Uttara Mimamsa (Vedanta) of Sage Badarayana Vyasa – deals with Supreme Consciousness.