The function of the UPSC's secretariat in the examination process includes administrative responsibilities such as organizing examinations, facilitating the evaluation of papers, and managing candidate data. The secretariat plays a critical role in maintaining the integrity and efficiency of the examination process. It oversees the logistics of conducting examinations, including question paper setting and result processing, ensuring adherence to regulatory norms. Furthermore, the secretariat is instrumental in addressing candidate inquiries and resolving grievances related to the examination process. Overall, its effective functioning is central to timely and fair administration of UPSC exams.