A macroeconomic variable is a branch of economics dealing with the performance, structure, behavior, and decision-making of an economy as a whole is known as Macroeconomic. In macroeconomics, economy-wide phenomena are examined such as inflation, price levels, rate of economic growth, national income, gross domestic product (GDP), and changes in unemployment. Economists assess the success of an economys overall performance by studying how it could achieve high rates of output and consumption growth. For the purpose of such an assessment, three macroeconomic variables are particularly important: gross domestic product (GDP), the unemployment rate, and the inflation rate. Edelweiss Applied Science and Technology journal is an open access maintaining high standard quality articles of basic science. Edelweiss Applied science and technology journal is a platform for authors to submit their valuable research work of material science and get global readers.