 "Thatchu Shasthra", or the Science of Carpentry and Traditional "Vasthu", was the governing science in this architectural form.This branch of knowledge was well developed in the traditional architecture of Kerala and has created its own branch of literature known under the names of "Tantrasamuchaya", "Vastuvidya", "Manushyalaya-Chandrika", and "Silparatna".The layout of these homes is simple, and catered to the dwelling of the large number of people usually part of a tharavaadu.