In order to win, you need to begin right!
So, first start with understanding the pattern and syllabus of Prelims to know the course of Action.
|General Studies (Paper-II) /
When the pattern was changed in 2015, then the CSAT (GS Paper-II) was made qualifying instead of the earlier pattern where it was included in the total marks to calculate the merit/cut-off of the exam.
For further detailed subject-specific syllabus, refer to our micro-listed syllabus of each subject. (LINK)