UPSC IFoS Syllabus 2027
UPSC Indian Forest Service
Exam Pattern
| # | Subject / Section | Questions | Marks |
|---|---|---|---|
| 1 | GS Paper 1 (via CSE Prelims) | 16 | 280 |
| 2 | CSAT (via CSE Prelims) | 16 | 280 |
| 3 | General English | 16 | 280 |
| 4 | General Knowledge | 16 | 280 |
| 5 | Optional Subjects (Forestry + Science) | 16 | 280 |
| Total | 80 | 1400 | |
Syllabus by Subject
GS Paper 1 (via CSE Prelims)
Key topics covered as per the official UPSC IFoS syllabus, including fundamental concepts, applications, and recent exam trends for GS Paper 1 (via CSE Prelims).
View GS Paper 1 (via CSE Prelims) Syllabus →CSAT (via CSE Prelims)
Key topics covered as per the official UPSC IFoS syllabus, including fundamental concepts, applications, and recent exam trends for CSAT (via CSE Prelims).
View CSAT (via CSE Prelims) Syllabus →General English
Key topics covered as per the official UPSC IFoS syllabus, including fundamental concepts, applications, and recent exam trends for General English.
View General English Syllabus →General Knowledge
Key topics covered as per the official UPSC IFoS syllabus, including fundamental concepts, applications, and recent exam trends for General Knowledge.
View General Knowledge Syllabus →Optional Subjects (Forestry + Science)
Key topics covered as per the official UPSC IFoS syllabus, including fundamental concepts, applications, and recent exam trends for Optional Subjects (Forestry + Science).
View Optional Subjects (Forestry + Science) Syllabus →Eligibility & Attempts
EEligibility Criteria
Bachelor's degree in Forestry/relevant science, age 21-32 years
ANumber of Attempts
6 for General, 9 for OBC, unlimited for SC/ST
Exam Schedule
Frequency
Once a year
Next Exam Date
May 2027
Registration Opens
February 2027
Preparation Tips
- 1Prelims is common with CSE — follow the same CSE Prelims preparation strategy for the first stage
- 2Choose Forestry as one optional if you have science background — it has the most scoring syllabus for IFoS
- 3General Knowledge Mains paper focuses on environmental issues, biodiversity, and climate change — stay updated
- 4Mains descriptive answers require field knowledge of forests — visit local forest areas and read forest department reports
Frequently Asked Questions
Practice with Free Mock Tests
Now that you know the UPSC IFoS syllabus, put your preparation to the test. Attempt free mock tests that mirror the real exam pattern.