The UPSC plays a crucial role in the recruitment for All India Services, including IAS, IPS, and IFS. It conducts examinations to select candidates for these prestigious services, which directly impact governance and administration in the country. The commission is responsible for maintaining the integrity of the selection process, ensuring merit-based appointments through rigorous testing. Additionally, UPSC offers guidelines and frameworks for training and development for selected candidates, further shaping the country's civil service landscape.