The different types of posts available through the UPSC exam include positions in the Indian Administrative Service (IAS), Indian Police Service (IPS), Indian Foreign Service (IFS), and various other Central and State Civil Services. Each post has distinct responsibilities and requires different skills. The IAS is typically involved in governance and administration, while the IPS focuses on law enforcement and maintaining public order. The IFS handles foreign affairs and diplomacy. Candidates’ preferences and performance through the selection process determine their assigned posts, reflecting their desired career paths.