Anthropology is a social science not a biological science like history, Sociology, Economics & Political science which is one of the popular optional subjects in UPSC/IAS/PSC exam. Anthropology is the study of man in totality including studying all kinds of societies and culture such as tribal and modern societies-their socio-culture institutions viz. marriage, family, kinship, economic institution, political system and belief pattern such as religion and magic. Anthropology also deals with prehistoric and modern societies i.e. socio-cultural evolution.