New: UPSC 2025 Annual Calender Released | Complete guide | UPSC CSE sample papers
Also See: UPSC IAS Mains question papers (2016-23)
New: Unlock 10% OFF on PTE Academic. Use Code: 'C360SPL10'
Hello Sumit,
In UPSC syllabus there is 26 subjects. In Mains exam candidates is to choose one option subject from the UPSC list of 26 subjects. Each optional subject has 2 papers of 250 marks.
And UPSC prelims subject list
1.History
2.Geography
3.Political Science
4.General Science- physics, chemistry & biology
5.Environmental Science
6.Sociology
I hope the information was helpful for you. Good luck.
UPSC CSE preparation strategy along with best books for prelims as well as mains exam for sure success.
Result | Eligibility | Answer Key | Cutoff | Selection Process | Preparation Tips | Application
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile