Communication skills are crucial for success in UPSC civil services due to their impact on interviews and public interactions. Effective communication assists in articulating thoughts and policies clearly and confidently, essential for roles that require public service. Strong verbal and non-verbal skills enhance engagement with stakeholders, promoting collaborative problem-solving. Additionally, clear communication aids in drafting reports and presenting ideas succinctly. Overall, the ability to communicate effectively reflects a candidate's leadership qualities and capacity to connect with diverse groups, which is vital for civil servant duties.