English for Specific Purposes (ESP): A Holistic Review

English for Specific Purposes, known as acronym-‘ESP', has been a distinct activity in the field of English Language Teaching (ELT) since 1960s. The flowering period of ESP has been identified due to many incidents like the second world war in 1945, the rapid expansion in scientific, the growth of science and technology, the increased use of English as the international language of science, technology and business, the increased economic power of certain oil-rich countries and increased numbers of international students studying in English Speaking countries. Needs analysis is the key essence of ESP. The paper reviews the history and development of ESP, the notion of needs analysis in ESP setting and some important components of ESP needs analysis. Finally the…