What is IAS Exam? Indian Administrative Service or IAS is the most sought for competitive examinations that can give your career a big lift. This examination, which recruits to various Civil Services of the Indian Government, is conducted by the Union Public Service Commission. Exam pattern The Union Public Service Commission (UPSC) conducts a three tire examination for recruitment of the various IAS positions. These three tires are- A preliminary exam (which is generally conducted in the month of June), Mains examination (which generally takes place in November or December) and...