This basic course provides students with the comprehensive understanding of the aggregate economic system. This is a compulsory course which covers the topics of concepts of aggregate demand and supply, national income and product measures, consumption and investment, supply side economics and its applications, use of fiscal, monetary, exchange rate policies to guide the economy, employment, and inflation. It also encompasses macroeconomic analysis in both closed and open economy, with income-expenditure, IS-LM and modern approaches. At the end of this course, students will be able to understand the macroeconomic concepts, measurements and issues, the sectoral composition of an economy and the interrelationships among the various macroeconomic variables in the economy. Pre-requisites for this course are Business Mathematics and Microeconomics.