1. Brahma Yajna: The study and teaching of scriptures.
to repay one's debt towards the Brahma and the Vedas.
2. Pitri Yajna: water and other food items are offered to the dead.
This is to pay debt to our ancestors.
3. Dev Yajna: Ghee and other items are offered to the deities.
This Yajna is performed to pay homage to family deities.
4. Bhuta yajna: the offering of food to the animals and the living beings in general
This consumes one's past negative karmic reactions related to food and drinking items.
5. Nri yajna: the regular practice of charity, compassion, tolerance and forgiveness towards other human beings.
This sacrifice is essential for love, peace and happiness in the society.