The world today has undergone radical changes. Globalization, the advent of technology in communication network, transport system and life styles, have erased the margin of distance and time. There is a greater awareness for the necessity of establishing lasting peace among the nations of the world after the impact of international wars. In recent years, the concept of one World of one Community has assumed greater significance. After the World War II, the concepts of unity in diversity and the interdependence of nations for the sustained economic growth and political safety have assumed greater significance.
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