For comprehensive history studies, candidates should focus on chronology, major events, and influential figures. Thematic areas such as social, economic, political, and cultural aspects provide context and help candidates understand historical continuities and changes. It's crucial to cover both ancient and modern history, including freedom struggles, world wars, and post-independence developments. Prioritizing important documents and historiography can enrich understanding. Additionally, practicing answer writing and revising through previous years' questions ensures effective preparation for the examination.