Central Superior Services CSS is a Competitive exam that is taken out by the Federal Public Service Commission FBSC since 1981 according to the Federal Government rules and regulations for CSS exams for the posts of BPS 17. But now recently the officials of the FPSC has revised the rules and regulations including schedule and syllabus for this test in order to netting high talent for civil Services. As the total marks of the CSS examination is 1200 out of which 600 are compulsory and the remaining 600 marks are being reserved for the optional subjects. In the optional subjects there are various subjects of 200 marks and 100 marks. The one which have 200 marks will have 2 papers each of 100 marks with the duration of 3 Hours. according to the current revised syllabus FPSC as fixed and table for compulsory subjects while it has make 4 groups different subjects and disciplines and you have to choose one subject from each group that are equivalence to 600 marks.