Heterodox Sects:

Ajivika Sect:

-Founded by Makkhali Gosala.
-Was popular between 5th & 3rd cent B.C.
-He preached the doctrine of 'Niyati' (Pre-determination)

Lokyatism:

-Founded by Charvaka.
-Preached total materialism & did not believe in Gods.
- Enjoyment is the sole goal of man's existence

Uchhedavada :

-Materialistic Philosophy.
-Propagated by Ajita Kesakamblin

Akriya:

-Non action sect
-Preached by Purana Kasyapa

Asrasvatavada:

-Preached by Pakuda Kachchayana.

-Jainism

-Buddhism