Aspirants can utilize alternative research methods such as field studies and socio-economic surveys to broaden their perspectives for UPSC preparation. Engaging with grassroots organizations or visiting local governance bodies provides practical insights into the functioning of public institutions. Utilizing qualitative and quantitative research techniques enriches understanding of community needs and policy impacts. Additionally, reading diverse literature, including case studies and international models of governance, helps aspirants develop well-rounded perspectives on complex issues faced in civil service.