Karma - The Mechanism: Tattvarthasutra 8.04

Adyo jnanadarshanavaranavedaniyamohaniyayurnamagotran­ta­­ra­­yah (4)

1. karma that obstructs access to the five channels of knowledge (jnana-varana)
2. karma that prevents insight and understanding (darshana-varana)
3. karma that determines our feeling of life (vedaniya)
4. karma that causes delusion (mohaniya)
5. karma that determines the duration and place of (future) embodiment(s) (ayu)
6. karma that determines form and features of our body (nama)
7. karma that determines our status in our social environment (gotra)
8. karma that causes obstruction in life (antaraya). (4)