Chakras and Koshas are two very widely used terms in the popular yoga world. Everybody is talking and writing about them. Yet the information we find online is usually confusing or non-practical. Let me clarify some aspects of Chakras and Koshas and explain how they relate to each other.
Nadis are energy channels, the pathways that our life force energy travels. Yoga calls our life force energy as Prana. Just like the blood circulation, Prana travels in our body along certain pathways.