Essay writing in the UPSC Mains exam is significant as it showcases a candidate’s ability to articulate ideas coherently and critically analyze topics. It tests important skills such as content organization, logical reasoning, and effective expression. Essays require aspirants to reflect on contemporary issues and societal values, which reveals their understanding of the socio-political context. Moreover, good essay scores can significantly boost overall rankings, making it essential for candidates to practice diverse topics and styles to excel in this component of the examination.