CSS Syllabus 2025 – Central Superior Services
What is the syllabus for CSS? CSS syllabus 2025 is categorised into two groups: one is compulsory, and the other is optional. In compulsory subjects, you do not have the option to skip any subject, while in optional subjects, you have to choose according to your understanding.
Now, most CSS candidates do not know how to choose CSS optional subjects. As CSS requires 14 years of education from CSS aspirants, it is recommended that you choose those subjects related to your prior education and your interest.
CSS written test consists of a total of 1200 marks, with 600 marks for compulsory subjects and 600 marks for optional subjects.
Now, let’s discuss in detail the compulsory and optional subjects of CSS.
Compulsory Subjects of CSS Syllabus 2025:
In compulsory subjects of CSS, aspirants cannot skip any subjects. They have to attempt all subjects to pass the CSS exam by fair means or foul.

There are six CSS compulsory subjects syllabus along with the marks are given below:
Code No | Subjects | Marks |
1 | English Essay | 100 |
2 | English (Precis and Composition) | 100 |
3 | General Science & Ability | 100 |
4 | Current Affairs | 100 |
5 | Pakistan Affairs | 100 |
6 | Islamic Studies OR Comparative Study | 100 |
Optional Subjects of CSS Syllabus 2025:
CSS optional subjects depend on seven different groups comprising different subjects. Half-passing marks (600 marks) depend on optional subjects. A candidate’s selection of optional subjects must be carefully considered, as the wrong selection will cause failure in the exam. Before selecting CSS optional subjects, candidates should gather information by getting tips on how to choose CSS optional subjects. Below is the list of optional CSS subjects in the syllabus.

Group 1: You can only choose one subject with 200 marks.
Code No | Subjects | Marks |
11 | Accountancy and Auditing | 200 |
12 | Economics | 200 |
13 | Computer Science | 200 |
14 | Political Science | 200 |
15 | International Relations | 200 |
Group 2: You can only choose one subject with 200 marks or two subjects with 100 marks.
Code No | Subjects | Marks |
16 | Physics | 200 |
17 | Chemistry | 200 |
18 | Applied Mathematics | 100 |
19 | Pure Mathematics | 100 |
20 | Statistics | 100 |
21 | Geology | 100 |
Group 3: You can only choose one subject with 100 marks.
Code No | Subjects | Marks |
22 | Business Administration | 100 |
23 | Public Administration | 100 |
24 | Governance & Public Policies | 100 |
25 | Town Planning & Urban Management | 100 |
Group 4: You can only choose one subject with 100 marks.
Code No | Subjects | Marks |
26 | History of Pakistan & India | 100 |
27 | Islamic History & Culture | 100 |
28 | British History | 100 |
29 | European History | 100 |
30 | History of USA | 100 |
Group 5: You can only choose one subject with 100 marks.
Code No | Subjects | Marks |
31 | Gender Studies | 100 |
32 | Environmental Sciences | 100 |
33 | Agriculture & Forestry | 100 |
34 | Botany | 100 |
35 | Zoology | 100 |
36 | English Literature | 100 |
37 | Urdu Literature | 100 |
Group 6: You can only choose one subject with 100 marks.
Code No | Subjects | Marks |
38 | Law | 100 |
39 | Constitutional Law | 100 |
40 | International Law | 100 |
41 | Muslim Law & Jurisprudence | 100 |
42 | Mercantile Law | 100 |
43 | Criminology | 100 |
44 | Philosophy | 100 |
Group 7: You can only choose one subject with 100 marks.
Code No | Subjects | Marks |
45 | Journalism & Mass Communication | 100 |
46 | Psychology | 100 |
47 | Geography | 100 |
48 | Sociology | 100 |
49 | Anthropology | 100 |
50 | Punjabi | 100 |
51 | Sindhi | 100 |
52 | Pashto | 100 |
53 | Balochi | 100 |
54 | Persian | 100 |
55 | Arabic | 100 |
FAQs:
Wrap Up:
CSS syllabus 2025 consists of compulsory and optional subjects. Most of the candidates are often confused about choosing the optional subjects. We recommend candidates choose optional subjects wisely according to their interests. Candidates should further research the syllabus carefully to understand the requirements. They should also consult with their mentors and advisors to get a better understanding of the subject options. Finally, they should also practice for the exams to gain a better understanding of the topics.