IAS stands for Indian Administrative Service. It is the one of the civil services of India. It is also famous as the toughest post to be appointed because it's exams is toughest among all. Union Public service Commission (UPSC) conducted this exam. This exam can be given at once in a year. It consist of seven papers that is Compulsory Indian Language, English, ESSAY, General Studies I, General Studies II, General Studies III, General Studies IV, Question paper I and Question paper II.
