The Civil Services Exam in India is a rigorous assessment of a candidate's knowledge and expertise in various fields, including economic policies. Here are some ways in which the exam assesses an aspirant's knowledge of economic policies and what type of questions can be expected:

• The exam tests a candidate's understanding of the basic economic concepts, such as demand and supply, elasticity of demand and supply, market equilibrium, and inflation.
• Questions may also focus on macroeconomic policies, such as fiscal policy, monetary policy, and trade policy, and how they impact the Indian economy.
• The exam may also include questions on economic frameworks such as the theory of economic growth, development, and international trade to test a candidate's knowledge of economic principles and practices.
• Aspirants may be expected to have an in-depth understanding of government policies that affect the economy, such as subsidies, taxation policies, and infrastructure development policies, and how they impact economic growth and development.
• Questions on economic development policies, such as the Planning Commission, Five Year Plans, and structural changes and reforms, may also be included in the exam.

Overall, a candidate's knowledge of economic policies is an important aspect of the Civil Services Exam, and the examiners aim to test an aspirant's in-depth understanding of the various policies and frameworks of the economy.