The unique aspects of Indian polity candidates must master for UPSC include understanding the constitutional framework, political parties, and governance structures. Familiarity with the roles and functions of key institutions like the Cabinet, Parliament, and Judiciary is crucial. Additionally, candidates should be aware of landmark amendments, electoral processes, and federalism dynamics. Awareness of current political issues, party dynamics, and public policies also enhances knowledge. Candidates must also comprehend the nuances of rights and responsibilities enshrined in the Constitution to effectively analyze and answer questions related to Indian polity during the exams.