SUBJECTS, RULES, AND SYLLABUS FOR CSS WRITTEN EXAMINATION (1200 MARKS) Syllabus and Rules for Compulsory and Optional Papers of Central Superior Services (CSS) Competitive Examination (CE) by Federal Public Service Commission (FPSC), Pakistan. CSS COMPETITIVE EXAMINATION Total Papers: 12Compulsory Papers: 6 (All candidates need to take the 6 compulsory papers)Optional Papers: 6 (Candidates shall