Aspirants can utilize peer reviews to improve essay writing for UPSC by exchanging feedback on drafts. This collaborative approach allows candidates to identify strengths and weaknesses in their writing style, structure, and argumentation. Constructive criticism from peers can enhance clarity, coherence, and engagement in essays, which are crucial for scoring well. Additionally, discussing topics collectively can widen perspectives and generate creative ideas that enrich the content of essays. Regular peer reviews also foster motivation and accountability among aspirants, ultimately leading to a more disciplined and effective writing process.