The question paper is devided into three sections covering the areas of the social sciences and other topical issues of current concern, The other questions will be asked specific periods/ Areas of history.

There is no any particular books for the exam preparation you can revise your Gradution syllabus & also prefer Newspapers, Magzines for the section of current affairs. You can prefer the previous year papers it will help you to know the level of the questions.

Good Luck!