he Indian Administrative Service (IAS) is the administrative civil service of the Government of India. IAS officers hold key positions in the Union Government, State governments and public-sector undertakings.The Civil Services Examination for getting into IAS is conducted by the UPSC. It has three stages (preliminary, mains and interview) and is considered to be extremely challenging. Entry into the IAS is considered very difficult. Almost all of the applicants rank IAS as their top choice because of the high prestige and diversity of career it offers.