Indian economy has undergone a dynamic and multiple change specially after the independence. We have adopted economic planning for the development of the country since 1951. The different sectors of the economy has developed under different plans to attain the balanced regional development. It has enlarged the economy to deal with different problems namely eradication of poverty, to reduce unemployment to reduce in equalities of income and wealth. The different sectors of the economy are contributing to national income and it has increased the national output, employment and per capita income as well. This book provides an eye view on the different sectors of the economy. It will be useful to teachers, students, general readers and policy makers.