Candidates should study several types of social movements for the UPSC exam, including those focused on civil rights, environmental activism, and women’s rights. Understanding the historical context, key figures, and outcomes of these movements is essential as they often relate to current policies and societal issues. Additionally, examining grassroots movements and the impact of globalization and technology on social change can provide valuable insights. A compelling grasp of these movements will enhance a candidate's understanding of Indian society and its challenges, contributing effectively to their overall preparation.