1. Vastu Shastra
2. Manayadi Shastra
3. Kuzhi Shastra

* Vastu Shastra is one of India's oldest branches of knowledge dealing with city planning and architecture. The term "Vastu" refers to the land on which a building is constructed or is to be constructed. Vastu Shastra is a Vedic branch of knowledge that explains the methods and principles of building on a land.

* The main reason to consult Vastu Shastra for building a house is so that any kind of work done by people for their well-being should not bring inauspicious results. Vastu Shastra plays an important role in predicting the plot, location and direction of the house for construction.