The UPSC Civil Services Exam is conducted once a year, generally comprising three stages: pre-examination, mains examination, and the interview. The preliminary exam typically takes place in June, while the mains are held in September or October. Following the mains, the interview phase occurs, usually in early spring of the following year. This annual schedule allows aspirants sufficient time to prepare comprehensively. Candidates are encouraged to stay informed about notification releases and exam timelines for effective planning throughout the academic year.