UPSC Optional Subjects for Mains: Subjects and Language Rules

The UPSC Mains optional subject list includes 26 options across humanities, science, engineering, social sciences and literature. Candidates must choose one optional subject, consisting of two papers worth 250 marks each. Understand the syllabus, exam pattern, language rules and prescribed scripts before selecting your subject.
authorImageAashutosh Dwivedi21 Oct, 2026
UPSC Optional Subjects for Mains

Choosing an optional subject for UPSC Mains can be difficult when you have 26 options, ranging from History and Sociology to Mathematics, Engineering and Literature. You also need to understand the syllabus, the paper format and the marks assigned to your chosen subject before planning your preparation.

PW offers online coaching for UPSC optional subjects, including Anthropology, Geography, History, Mathematics, Political Science and International Relations (PSIR), Public Administration, Sociology and Hindi Literature. Explore the available online batches to find your chosen optional subject and understand the preparation support available for the UPSC Mains examination.

UPSC Optional Subject List

You can choose one optional subject for the UPSC Civil Services Main Examination from the subjects given below. The available options include disciplines from agriculture, science, engineering, humanities, social sciences and literature.

List of Optional Subjects for UPSC Mains

The following 26 options are available for the Main Examination:

  1. Agriculture

  2. Animal Husbandry and Veterinary Science

  3. Anthropology

  4. Botany

  5. Chemistry

  6. Civil Engineering

  7. Commerce and Accountancy

  8. Economics

  9. Electrical Engineering

  10. Geography

  11. Geology

  12. History

  13. Law

  14. Management

  15. Mathematics

  16. Mechanical Engineering

  17. Medical Science

  18. Philosophy

  19. Physics

  20. Political Science and International Relations

  21. Psychology

  22. Public Administration

  23. Sociology

  24. Statistics

  25. Zoology

  26. Literature of one of the specified languages

PW UPSC CSE IAS Online Batches

Literature Optional Subjects

If you choose a literature subject, you can select the literature of any one of the following languages:

  • Assamese

  • Bengali

  • Bodo

  • Dogri

  • Gujarati

  • Hindi

  • Kannada

  • Kashmiri

  • Konkani

  • Maithili

  • Malayalam

  • Manipuri

  • Marathi

  • Nepali

  • Odia

  • Punjabi

  • Sanskrit

  • Santhali

  • Sindhi

  • Tamil

  • Telugu

  • Urdu

  • English

These literature options form part of the overall UPSC optional subject list.

Language Rules for UPSC Optional Papers

The UPSC Civil Services Main Examination allows you to write your papers in English or a language included in the Eighth Schedule to the Constitution of India, subject to the applicable examination rules.

When deciding which language to use for your answers, keep the following points in mind:

  • The qualifying Indian Language and English papers are exceptions to the general answer-language options.

  • You may choose English for your optional papers, subject to the examination rules.

  • If you write in a permitted scheduled language, you may provide English translations in brackets for technical terms, where applicable, as allowed by the rules.

  • Misusing this provision for technical terms may lead to a deduction of marks or, in extreme cases, non-evaluation of your answer script.

  • Question papers, except those for literature subjects, are set in Hindi and English only.

If you choose a literature optional subject, make sure you understand the applicable language and script requirements.

Scripts for Literature Languages

The prescribed scripts for the language and literature options include the following:

Language Script
Assamese Assamese
Bengali Bengali
Gujarati Gujarati
Hindi Devanagari
Kannada Kannada
Kashmiri Persian
Konkani Devanagari
Malayalam Malayalam
Manipuri Bengali or Meitei Mayek
Marathi Devanagari
Nepali Devanagari
Odia Odia
Punjabi Gurmukhi
Sanskrit Devanagari
Sindhi Devanagari or Arabic
Tamil Tamil
Telugu Telugu
Urdu Persian
Bodo Devanagari
Dogri Devanagari
Maithili Devanagari
Santhali Devanagari or Olchiki

For Santhali, the question paper is printed in Devanagari, but you may answer in Devanagari or Olchiki. For Manipuri, the question paper is printed in Bengali script, but you may answer in Bengali or Meitei Mayek.

PW offers UPSC preparation courses for optional subjects such as Anthropology, Geography, History, Mathematics, Political Science and International Relations, Public Administration, Sociology and Hindi Literature. Review the syllabus and practise the topics prescribed for your chosen subject to strengthen your preparation for both optional papers. Before finalising your study plan, check the latest official UPSC notification and the detailed syllabus for your selected optional subject.

 

UPSC Optional Subjects for Mains FAQs

How many optional subjects can you choose for UPSC Mains?

You can choose one optional subject from the prescribed list for the UPSC Civil Services Main Examination.

Which UPSC optional subjects does PW OnlyIAS offer coaching for?

PW OnlyIAS offers online coaching for selected UPSC optional subjects, including Anthropology, Geography, History, Mathematics, Political Science and International Relations (PSIR), Public Administration, Sociology and Hindi Literature. You can explore the available batches to find a course that aligns with your optional subject choice.

How can PW OnlyIAS help you prepare for UPSC Mains optional papers?

PW OnlyIAS offers online courses for selected optional subjects to support your UPSC Mains preparation. You can explore the available batches for your chosen subject and use the prescribed syllabus to guide your preparation for both optional papers.

What is the duration of each UPSC optional paper?

Each optional paper is three hours long. The papers follow the conventional, essay-type format.

Where can you find the UPSC optional subject syllabus?

The detailed syllabi for the optional subjects are provided in Part B of Section III of the examination syllabus. You should refer to the syllabus for your chosen subject to understand the prescribed content for both papers.
Popup Close ImagePopup Open Image
Have questions about your prep?Our experts can answer all your questions
Popup Image
avatar

Get Free Counselling Today

and Clear up all your Doubts

Talk to Our Counsellor just by filling out the form.
Student Name
Phone Number
IN
+91
OTP
Join 15 Million students on the app today!
Point IconLive & recorded classes available at ease
Point IconDashboard for progress tracking
Point IconLakhs of practice questions
Download ButtonDownload Button
Banner Image
Banner Image