The article focuses on the close relation between language and politics. Language is a voluntary vocal system of communication between individuals and between individuals and groups. Socio-cultural phenomena, politics being part of the entire social system, does not remain unaffected by the linguistic environment. Language is a powerful tool by which polticians transmit political conception and symbols of political power, ideologies and values. The article comes to the conclusion that as the awareness among people of a common linguistic community identity springing from their shared experience becomes a building bloc of national integration, it is important for the government to accord due place to each language and culture so that linguistic diversity in the nation attempts to foster the purposes of the politics of nation building. It is equally important to overcome a sense of alienation, seclusion, and discrimination and form a broader identity. The article includes a table containing the total population by mother tongue for Nepal in 1991. (Rajeev Ranjan Singh 2006-10-20)