Two papers
The Civil Services Preliminary examination consists of two objective-type papers: General Studies Paper I and the Civil Services Aptitude Test (CSAT) Paper II. Marks from Paper I decide who proceeds to the Main examination, while Paper II is a qualifying paper with a minimum score requirement.
Marking
Both papers use negative marking for incorrect answers, at a fraction of the marks for a correct answer. Confirm the exact values and any changes in the official notification for the year in which you are appearing.
What this means for mocks
- Practise GS under a strict clock and with a guessing policy
- Take CSAT tests regularly, but aim only for a safe pass
- Rehearse sitting for two papers on the same day
Build a plan with the UPSC strategy guide and practise via GS Prelims tests and CSAT tests.
Note: this is a general overview, not an official source. Refer to the Union Public Service Commission notification for the current rules.