This book serves as Guideline for The Indian Economic Service (IES) Exam. The IES is an organized Group ‘A’ Central Service and was constituted in the year 1961 with the objective of institutionalising a core professional capacity within the Government to undertake economic analysis and render advice for designing and formulating development policies, strengthening delivery systems, and monitoring and evaluating the public programmes. With the initiation of large-scale economic reforms in the year 1991 and the proliferation of the regulatory role of the government, such analysis and advice within the domain of the service has increased manifold.The UPSC conducts a combined competitive examination for recruitment to Grade IV officers of the services of Indian Economic and Indian Statistic. IES exam consist of six papers namely General English, General Studies, General Economics – I, General Economics – II, General Economics – III and Indian Economics. This book explains About IES, About IES Exam, Exam Pattern and structure, Exam Syllabus and previous year question papers of all six subjects from the year 2009 to 2018.