Candidates should focus on key aspects of public policy, particularly its development and implementation processes. Understanding the policy cycle, including agenda setting, formulation, and evaluation, is essential. They should also be aware of the impact of government policies on different sectors, like healthcare, environment, and education. Analyzing case studies of successful policies can offer valuable insights. Furthermore, being knowledgeable about ongoing reforms and current issues related to governance will provide a competitive edge in both the Preliminary and Mains stages.