In some academic disciplines the distinction between a secondary and tertiary source is relative, but in historiography it is absolute. In the UNISIST model, a secondary source is a bibliography, whereas a tertiary source is a synthesis of primary sources.
English Name for Vasambu is Sweet Flag. It is a semi-aquatic perennial herb whose scientific name is Acorus Calamus. In HIndi, it is called Bach. It is also called Bach in Bengali. would like to know the hindi/eng name for taml herb vasambu.
The Sanskrit word vastu means a dwelling or house with a corresponding plot of land. The vrddhi, vÄstu, takes the meaning of the site or foundation of a house, site, ground, building or dwelling-place, habitation, homestead, house. The underlying root is vas to dwell, live, stay, reside.here exist many Vastu-Sastras on the art of building houses, temples, towns and cities. One such Vastu Sastra is by Thakkura Pheru, describing where and how temples should be built. By 6th century AD, Sanskrit manuals for constructing palatial temples were in circulation in India.