In this book the principles of Vastu as propounded in our ancient books that are MUST have been explained in a manner that can be comprehended by everyone. The essentials ENERGY SOURCES are air, sunlight, and the cosmos energy. These with the knowledge of energy flow assigned to different sectors Agni, Varun, Yam etc and directions Eeshan – North East for prayers, South – East for Agni etc have been accounted while explaining the basics. They are important for creating subtle energies which provide for mental peace and happiness in a property and related to you as an energy source too.