UPSC Indian Forest Service (IFoS) Preliminary Examination 2026 – Eligibility, Qualification, Syllabus & Exam Date

UPSC Indian Forest Service (IFoS) Preliminary Examination 2026 will be conducted along with the Civil Services (CSE) Prelims on 24 May 2026, and recruitment will be for around 80 Indian Forest Service posts across India.

UPSC Indian Forest Service (IFoS) Preliminary Examination 2026 – Overview

• Exam Name: UPSC Indian Forest Service (IFoS) Exam 2026.
• Conducting Body: Union Public Service Commission (UPSC).
• Notification Date (IFoS): 4–5 February 2026 (as per UPSC notification and coaching/portal summaries).
• Total Vacancies: Approximately 80 posts for IFoS 2026.
• Prelims Mode: Objective type, conducted as Civil Services (Preliminary) Examination 2026, common for IAS & IFoS.
• Mains Mode: Written, descriptive papers + Personality Test (Interview).

Key Highlights of UPSC Indian Forest Service (IFoS) 2026

Indian Forest Service eligibility 2026

Eligibility for UPSC Indian Forest Service (IFoS) 2026 follows the UPSC IFoS rules notified for Exam 2026.

Nationality

• Citizen of India OR
• Subject of Nepal or Bhutan OR
• Tibetan refugee who came to India before 1 January 1962 with the intention of permanent settlement OR
• Person of Indian origin migrated from specified countries and intending permanent settlement in India (as per UPSC rules).

Age Limit (as on 1 August 2026)

• Minimum age: 21 years.
• Maximum age: 32 years (generally, born between 2 August 1994 and 1 August 2005 for 2026 cycle).
• Relaxations as per Government norms:
  • SC/ST: +5 years
  • OBC: +3 years
  • PwBD and certain other categories as per official notification.

Number of Attempts

• General category: 6 attempts for IFoS.
• Relaxed number of attempts for OBC, SC/ST as per UPSC rules.

Indian Forest Service qualification 2026 (Educational Qualification)

Candidates must hold a Bachelor’s degree with at least one of the following subjects:

• Animal Husbandry & Veterinary Science
• Botany
• Chemistry
• Geology
• Mathematics
• Physics
• Statistics
• Zoology
  OR
• Bachelor’s degree in Agriculture
• Bachelor’s degree in Forestry
• Bachelor’s degree in Engineering (any recognized branch).

The degree must be from:

• A university incorporated by an Act of Parliament or State Legislature, or
• Any other institution deemed as a university under the UGC Act, or
• An equivalent qualification recognized by the UPSC.

Physical & Medical Standards

• Candidates must be physically fit as per Appendix‑III of the Indian Forest Service Examination Rules 2026.
• Certain standards for vision, physical endurance, and ability to work in forest/field conditions apply; fitness is checked during the medical examination.

UPSC Indian Forest Service Exam Pattern 2026

The exam is conducted in three stages: Prelims → Mains → Interview.

Stage 1: CSE / IFoS Prelims 2026

Common for Civil Services and IFoS.

• Papers:
  • Paper I: General Studies (GS) – 200 marks.
  • Paper II: CSAT (General Aptitude) – 200 marks.
• Type: Objective (MCQ).
• Negative Marking: Yes, as per UPSC rules.​
• Role: Screening test only; marks not counted for final merit.​

Stage 2: IFoS Mains 2026

Six descriptive papers.

• Paper I: General English – 300 marks.
• Paper II: General Knowledge – 300 marks.
• Papers III–VI: Two optional subjects (two papers each) – 200/300 marks per paper as per rules.
• Subjects for optionals include Agriculture, Forestry, Botany, Zoology, Geology, Chemistry, Animal Husbandry & Veterinary Science, Civil Engineering, Mechanical Engineering, Mathematics, Statistics, etc. (full list in UPSC notification).

Stage 3: Personality Test (Interview)

• Conducted by UPSC after Mains.
• Assesses overall personality, suitability for Forest Service, awareness of environment, forest and wildlife issues, and general mental calibre.​

Final merit is based on Mains + Interview marks only.

Indian Forest Service syllabus 2026 (Prelims & Mains – Brief)

Detailed syllabus is given in UPSC IFoS Notification and dedicated syllabus documents.

Prelims Syllabus (Common with CSE)

Paper I – General Studies:

• Current events of national and international importance
• History of India and Indian National Movement
• Indian and World Geography – Physical, Social, Economic
• Indian Polity and Governance – Constitution, Political System, Panchayati Raj, Public Policy, Rights Issues, etc.
• Economic and Social Development – Sustainable Development, Poverty, Inclusion, Demographics, Social Sector initiatives
• General issues on Environmental Ecology, Biodiversity and Climate Change
• General Science

Paper II – CSAT (General Aptitude):

• Comprehension
• Interpersonal skills including communication skills
• Logical reasoning and analytical ability
• Decision-making and problem-solving
• General mental ability
• Basic numeracy and data interpretation

Mains Syllabus – Compulsory Papers

From UPSC and coaching/syllabus pages for IFoS 2026.

• General English:
  • Essay writing in English
  • Precis and summary writing
  • Comprehension and usage of words
  • Grammar and vocabulary.
• General Knowledge:
  • Current events of national and international importance
  • Indian Polity & Economy
  • General Geography
  • Everyday science
  • Issues in forestry, wildlife, environment, biodiversity and climate change.

Mains Optional Subjects – Indicative Themes

Each optional has two papers; topics broadly cover:

• Forestry: Silviculture, forest management, forest working plan, mensuration, forest policy and legislation, wildlife management, environment and ecology.
• Agriculture: Agronomy, soil science, plant breeding, genetics, plant physiology, agricultural economics.
• Botany/Zoology: Plant and animal diversity, physiology, genetics, ecology, economic importance.
• Geology: General geology, structural geology, stratigraphy and palaeontology, economic geology.​
• Engineering subjects: Applied mechanics, structures, hydraulics, thermodynamics, design, etc.

Candidates should refer to UPSC’s official syllabus PDF and reputed coaching notes (like Vajiram & Ravi IFoS syllabus article) for paper‑wise topics and sub‑topics.

Application Process – UPSC IFoS Prelims 2026

Applications are common for CSE and IFoS; candidates who meet IFoS eligibility can opt for both in one form.

How to Apply Online

1. Visit upsconline.nic.in (UPSC Online portal).
2. Complete/Update your One Time Registration / URN profile with personal, educational and ID details.
3. Open the Common Application Form (CAF) for “Civil Services (Preliminary) Examination 2026” which also covers IFoS.
4. Select whether you are applying for CSE only or CSE + Indian Forest Service and choose exam centre, language etc.
5. Upload required documents:
   • Recent passport‑size photograph and live photo as per UPSC instructions
   • Three signatures (scanned) on plain paper with black ink
   • Valid Photo ID (Aadhaar / Voter ID / PAN / Passport / Driving Licence).
6. Pay the examination fee online (if applicable) via debit/credit card, net banking, UPI.
7. Review the entire form carefully and submit before the last date (24–27 February 2026, 6:00 PM as per notification).
8. Download and save the final application/confirmation page for future reference.

Application Fee (as per recent UPSC patterns for CSE/IFoS)

• General/OBC/EWS: ₹100 for Prelims.
• SC/ST/PwBD/Women: Fee exempted.

Mains fee is payable by those who qualify Prelims and opt for IFoS Mains; Testbook indicates ₹200 for IFoS Mains for General/OBC.​

Important Dates – UPSC IFoS 2026 (Tentative/As per current notification cycle)

Based on UPSC notice and the 2025–26 timelines reflected in coaching/result portals.

• Notification Release (CSE + IFoS 2026): 4–5 February 2026.
• Online Application Start: 4–5 February 2026.
• Last Date to Apply: 24–27 February 2026 (evening).
• Application Correction Window: Opens after last date as per UPSC schedule.
• Prelims Admit Card: About 2–3 weeks before exam (early May 2026 expected).
• CSE / IFoS Prelims Exam Date: 24 May 2026.
• IFoS Mains Admit Card: Likely in October–November 2026.
• IFoS Mains Exam Date: From 22 November 2026.

Candidates should always re‑confirm exact dates from upsc.gov.in because UPSC’s official calendar and notifications are final.

Official Sources and Important Links

Use only official UPSC portals for form fill‑up, syllabus and notifications.

• UPSC Official Website (Notifications, Results, Calendar):
  • https://upsc.gov.in
• UPSC Online Application Portal:
  • https://upsconline.nic.in
• Official IFoS 2026 Notification PDF (Examination Notice No. 06/2026‑IFoSE):
  • Available via “Examinations → Active Examinations → Indian Forest Service Examination” on upsc.gov.in.​
• CSE/IFoS Prelims 2026 Online Form details (via ResultBharat summary – always verify with UPSC):​

Step‑by‑Step: How to Download UPSC IFoS Notification & Apply

Download UPSC Indian Forest Service Notification 2026

• Go to upsc.gov.in.​
• Click on “Examinations” → “Active Examinations”.​
• Select “Indian Forest Service Examination, 2026”.​
• Click on the English PDF link for “EXAMINATION NOTICE NO. 06/2026‑IFoSE”.​
• Download and save the PDF; read the eligibility, syllabus, and instructions carefully.​

Apply for UPSC CSE/IFoS Prelims 2026 Online

• Visit upsconline.nic.in.
• Register / login under the One Time Registration (OTR)/URN system.
• Open the “Civil Services (Preliminary) Examination 2026” online form (this also covers IFoS).
• Choose “Yes” for Indian Forest Service option if you meet IFoS eligibility.​
• Fill personal, academic and service preference details as asked.
• Upload photo, live photo, signatures and ID proof in the size/format prescribed.
• Pay fees (if applicable) through online mode and submit.
• Download the application PDF and note your registration ID/URN and application number.

FAQs – UPSC Indian Forest Service (IFoS) Preliminary Examination 2026