AS Syllabus for both the stages i.e. Stage 1 (Prelims) and Stage 2 (Mains) is prescribed by UPSC. Civil servant aspirants must go through the syllabi thoroughly as periodic revision is done in several subjects every year.

The competitive examination comprises two successive stages, having different syllabi viz:

• Stage 1: IAS Preliminary Exam â?? 2 papers of 200 marks each
• Stage 2: IAS Mains Exam â?? Written exam (9 papers) and an Interview.
• The Indian Administrative Service officially called as Civil Services Examination (CSE) is the premier administrative civil service of the Government of India. Hierarchy-wise, IAS is the highest administrative post among the 24 services like IPS, IFS (Foreign), IAAS, IRS, IDAS, CAPF-AF to name a few.

• IAS Syllabus for Prelims

  • The preliminary exam is the first stage a candidate must clear to qualify for the mains exam.
  • It is meant to serve as a screening test only; marks obtained in this exam by the candidates who are declared qualified for admission to the Main Examination will not be counted for determining their final order of merit.
  • Preliminary Stage of IAS has two papers viz. General Ability test (GAT) and the Civil Service Aptitude Test (CSAT).

  It is essential to have an extensive knowledge of IAS Syllabus for Prelims before you plan your preparation. This will help you put extra attention on all important topics and proceed in the right direction. Listed below is the detailed syllabus of IAS: