Aspirants can identify key stakeholders in studying governance for UPSC by mapping out the various entities involved in policy-making and implementation. This includes government officials, non-governmental organizations, local communities, and academic experts. They should examine the roles these stakeholders play in influencing policies and their interaction within the governance framework. Additionally, reading reports, policy papers, and case studies can clarify the significance of each stakeholder. This knowledge will enhance candidates' analysis in essays and interviews, as they can cite specific stakeholders' contributions and perspectives on governance issues.