What is the UPSC IFoS 2027 selection process?

UPSC IFoS selection uses the same Prelims as UPSC CSE (GS Paper 1 + CSAT). Separate Mains has 6 papers: General English (300), General Knowledge (300), and 4 optional papers (200 each) from subjects like Forestry, Botany, Zoology, Chemistry, Physics, and Agriculture.

What is the IFoS officer salary in 2027?

IFoS officers start as ACF (Assistant Conservator of Forests) at ₹56,100-₹1,77,500 per month (Level 10). They progress to DCF, CF, CCF, and PCCF. With forest-specific allowances, free bungalow, and field duty perks, the package is ₹80,000-₹1,00,000+.

How many UPSC IFoS vacancies are expected in 2027?

UPSC IFoS 2027 is expected to have 100-150 vacancies. IFoS 2023 had 150 vacancies and IFoS 2024 had 110 vacancies. Candidates are allocated to State Forest Services across India after training at IGNFA Dehradun.

What optional subjects can I choose for IFoS Mains?

IFoS Mains optional subjects include Forestry (highly recommended), Botany, Zoology, Geology, Agriculture, Agricultural Engineering, Chemical Engineering, Civil Engineering, Chemistry, Mathematics, Physics, Statistics, and Animal Husbandry & Veterinary Science.

What is the training duration for IFoS officers?

Selected IFoS officers undergo 2 years of foundational and professional training at IGNFA (Indira Gandhi National Forest Academy), Dehradun. Training includes forest management, wildlife conservation, law, and field postings in national parks and reserved forests.

← All Preparation Guides

🏛️

UPSC IFoS Preparation Guide

UPSC (Union Public Service Commission)

Your Complete Preparation Guide for UPSC IFoS 2027 — strategy, study plan, tips & more.

DifficultyVery Hard

Total Marks1400

Duration120 min

Start Practising Now →Free Mock Tests

Exam Overview

Mode

Offline (Pen & Paper)

Frequency

Once a year

Next Exam Date

May 2027

EEligibility Criteria

Bachelor's degree in Forestry/relevant science, age 21-32 years

ANumber of Attempts

Full-length tests & weak-area focus

Refer to official syllabus for complete topic list

Expert Preparation Tips

Prelims is common with CSE — follow the same CSE Prelims preparation strategy for the first stage

Choose Forestry as one optional if you have science background — it has the most scoring syllabus for IFoS

General Knowledge Mains paper focuses on environmental issues, biodiversity, and climate change — stay updated

Mains descriptive answers require field knowledge of forests — visit local forest areas and read forest department reports

Exam Pattern at a Glance

Section	Questions	Marks	Duration (est.)
GS Paper 1 (via CSE Prelims)	16	280	24 min
CSAT (via CSE Prelims)	16	280	24 min
General English	16	280	24 min
General Knowledge	16	280	24 min
Optional Subjects (Forestry + Science)	16	280	24 min
Total	80	1400	120 min

Important Dates

Registration Opens

February 2027

Next Exam Date

May 2027

Conducted By

UPSC (Union Public Service Commission)

Frequently Asked Questions

Ready to Ace UPSC IFoS 2027?

Turn your preparation into results. Practise with free mock tests, review the full syllabus, and simulate the real exam experience on HenceProve.

Practice Free Mock Tests →View Full Syllabus →

Start Practising on HenceProve →