Engaging in interdisciplinary projects can broaden candidates' perspectives on policy issues for UPSC by merging insights from fields such as economics, environmental science, and political science. These collaborative projects encourage candidates to explore complex issues from various angles, fostering innovative solutions. By understanding the interconnectedness of different domains, candidates can develop more comprehensive policy analyses and recommendations. This multifaceted approach stimulates critical thinking and promotes discussions that highlight the intricate nature of governance and public administration.