Mr. Raghunaath Rajan is a Building Biologist and an energy healer. Building Biology is a field of building science investigating the indoor living environment for a variety of irritants. Practitioners study how the environment of residential, commercial and public buildings can affect the health of the occupants, producing a restful or stressful environment. 

Mr. Raghunaath has been serving small foundations as well as large-scale hospitals. He combines traditional vasthushasthra to the modern principles of building biology. He has completed nearly 3000 projects all over South India.