The UPSC mains exam is written (subjective) in nature.
UPSC Mains Syllabus 2023
There are 4 General Studies Papers (including a paper on Ethics), 1 essay paper, and 2 optional-subject papers. Apart from these, there are 2 compulsory language papers which are just qualifying in nature.
Previous Year Question Papers for UPSC Mains
The Civil Services Main examination is designed to test the academic talent of the aspirant, also his/her ability to present his/ her knowledge in a clear and coherent manner.