Public Finance is the combination of two words, i.e., Public + Finance. Public means group of people who are represented by the government and finance means monetary factor. Thus public finance means the financial sources of the government i.e. revenue and expenditures. That portion of economics in which the problems of revenue and expenditure are discussed is called public finance. Thus Public finance is the study of the problems of government institutions concerning central, state, and local governments. Public finance includes revenue of government i.e. tax, interest, profit etc. Public expenditure includes defense, administration, education, health industries, agriculture etc. Public debts are also studied under public finance.The economic activities of the government of the country have also increasd with the passage of time. The area of public finance has also been widened. It studies not only the revenue and expenditure of the government but it also studies all economic activities of the government concerning special economic objectives like full employment, economic development, income and equal distribution of wealth, price stability, etc.(а) What are the main sources of Government Income?(b) State the main objectives of Public Finance.