Prelim Examination Process comprises of two exam, that is, Paper I & Paper II, that are held in order to shortlist candidates for the Main Examination that is held later.
Mains Exam Pattern: Main Examination Process comprises of seven written exams that include essay-based questions.
Paper I for 100 marks
Paper II for 100 marks
The 9th exam is actually the interview. Each candidate needs to have secured at least 40% marks in compulsory subjects and 40% marks overall to qualify the Mains and to be eligible for the final interview. The interview round will be of 150 marks.
Also In Hindi & English minimum 40 % are compulsory to score although Marks of Hindi & English will not be considered for the Merit.