New Delhi, Jan. 18 -- The concept of 'nationalism' refers to an idea and movement that promotes the interests of a particular nation over its homeland. The core meaning of nationalism holds that each nation should govern itself, free from outside interference and has the right of self-determination and that a nation is a natural and only rightful source of political power.

Nationalism aims to build and maintain a single national identity, based on shared social characteristics of culture, ethnicity, geographic location, language, politics, religion, traditions, and belief in a shared singular history. It seeks to preserve and foster a nation's traditional cultures and cultural values. It also encourages pride in national achievements and...