The difference between the Indian Administrative Service (IAS) and the Indian Police Service (IPS) lies primarily in their roles and responsibilities. IAS officers generally hold administrative positions in various government departments, focusing on policy implementation, governance, and public administration. In contrast, IPS officers are responsible for maintaining law and order, conducting investigations, and upholding public safety. While both services require similar recruitment through the UPSC, they offer distinct career paths and job functions within the Indian bureaucracy. The choice between IAS and IPS is often based on personal interests and career aspirations of the candidates.