Former civil servants contribute to the UPSC preparation ecosystem by offering insights based on their experiences in governance and administration. They often engage in mentoring, providing aspirants with practical knowledge about the civil service landscape. Additionally, they may host workshops, seminars, and webinars focused on examination strategies, interview preparation, and topic-specific discussions. Their real-world expertise bridges the gap between theoretical knowledge and practical application, making them instrumental in guiding new aspirants toward success in the competitive examination.