 Doshas are the biological energies which is present in the body. The word meaning of doshas is that one which we shade or bring the imbalance in the body. So doshas help us to understand the physical makeup of that individual person. So there are mainly three doshas. The first one is vada. Vada is similar to air principle. It's not exactly the air, similar to air principle. Vada is fire. Similar to fire principle or transformation energy, kafa is similar to water principle or bringing stability energy. So all these doshas needs to be in quality wise or quantity wise in the balanced state. Knowing the doshas will help you to have a healthy life and help you to understand your constitution, your body type so that you can determine what type of food or what type of lifestyle activities you can follow through to promote the health.