PLAN OF EXAMINATION:
The Civil Services Examination consists of two successive stages: (I) Civil Services Preliminary Examination; and (ii) Civil Services Main Exam(Written & Interview) for selection of candidates for the various services and posts given below:
Scheme of CS (Preliminary) Examination
The Preliminary Examination consists of two papers of objective type (multiple-choice questions) carrying a maximum of 450 marks. The Question Papers (Test Booklets) are set in English & Hindi
List of Optional Subjects CS (Preliminary) - Total 23
Scheme - CS (Main)
List of Optional Subjects - CS (Main) - (Total 25)
See Note below List of Optional Subjects (Literature)
List of Optional Subjects (Literature) - CS (Main) - (Total 26)
Note : Total Optional Subjects : 51
Remarks : More detials on the UPSC web site.