UPSC IFS Mains Syllabus 2024 PDF, Exam Pattern

Priyanka November 06, 2024 09:04 7277 0

UPSC IFS Mains syllabus PDF is provided here. Explore the complete syllabus and choose from diverse subjects, and master English and General Knowledge for a successful examination.

UPSC IFS Mains Syllabus 2024 PDF, Exam Pattern

UPSC IFS Mains Syllabus 2024: After passing the Indian Forest Service (IFS) Prelims examination, candidates proceed to the IFS Mains examination. It’s crucial to emphasize that the IFS Mains syllabus diverges completely from the CSE Mains syllabus. The UPSC IFS Mains Syllabus 2024 exam shall consist of written/descriptive papers. The IFS Mains exam consists of six papers, with candidates tasked with choosing two optional subjects specifically for the IFS exam. These IFS optional subjects encompass two papers each, totaling four optional papers. This distinctive structure underscores the unique and specialized nature of the Indian Forest Service examination compared to the Civil Services Examination.

UPSC IFS Mains Exam Pattern 2024

Candidates who succeed in the UPSC IFS prelims move on to the mains, which consists of 6 descriptive papers. The syllabus for this stage is crucial, as the scores determine the final merit list.

In the 2024 UPSC IFS Mains Exam Pattern, 

  • There are 6 papers over 3 hours.
  • Papers I and II are worth 300 marks each, while Papers III, IV, V, and VI are worth 200 marks each.
  • Candidates must choose two optional subjects from the approved list, avoiding specific combinations as per the official notification.

UPSC IFS Mains Exam Pattern 2024
Paper  Subject Marks
Paper I General English  300
Paper II General Knowledge 300
Paper III Optional I 200
Paper IV Optional II 200
Paper V Optional III 200
Paper VI Optional IV 200

List of UPSC IFS Mains Syllabus 2024 Optional Subjects

The UPSC IFoS Mains 2024 examination includes a variety of optional subjects that candidates can choose from based on their educational background and interests. Candidates must carefully select the subject that best aligns with their strengths for a better chance of success in this highly competitive exam. Here is the list of UPSC IFoS Mains 2024 Optional Subjects:

  • Agriculture
  • Agricultural Engineering
  • Animal Husbandry & Veterinary Science
  • Botany
  • Chemical Engineering
  • Civil Engineering
  • Forestry
  • Mathematics
  • Mechanical Engineering
  • Physics
  • Statistics
  • Zoology
  • Geology
  • Chemistry

Please note as per the guidelines of UPSC the candidates will not be allowed to have the following combination of optional subjects:

  • Agriculture and Agricultural Engineering
  • Mathematics and Statistics
  • Agriculture and Animal Husbandry & Veterinary Science
  • Agriculture and Forestry
  • Chemistry and Chemical Engineering
  • Of the Engineering subjects, namely, Agricultural Engineering, Chemical Engineering, Civil Engineering, and Mechanical Engineering – not more than one subject.

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UPSC IFS Mains Syllabus 2024 

The syllabus for the Indian Forest Service (IFS) Mains exam is vast and covers a wide range of subjects. Here’s a brief overview of the syllabus:

UPSC IFS Syllabus 2024 – Compulsory Papers
Subject  Topics
General English
  • One Essay in English
  • Other questions will be designed to test candidates’s understanding of English and workmanlike use of words. 
  • Passages will usually be set for summary or precis. 
General Knowledge
  • General Knowledge including knowledge of current events and of such matters as may be expected of an educated person who has not made a special study of any scientific subject. 
  • The paper will also include questions on the following subjects:
    • Indian Polity including the political system
    • Constitution of India
    • History of India
    • Geography 

UPSC IFS Mains Syllabus 2024

UPSC IFS Syllabus 2024 – Optional Subjects

In UPSC IFS Mains, the candidates will have to opt for two optional subjects from the list of 14 subjects. The UPSC IFS Optional paper will be divided into two parts, Part A and Part B. There will be eight questions in each optional subject paper with four in each part. The UPSC IFS Syllabus 2024 for optional papers is as follows:

UPSC IFS Syllabus 2024 – Optional Subjects
Subject  Topics
Agriculture Paper I:

  • Ecology
  • Cropping patterns and related topics
  • Forestry plantations
  • Soil
  • Farm management
  • Agricultural extension, etc. 

Paper II:

  • Cell Theory
  • Cytoplasmic inheritance
  • Seed technology
  • Physiology
  • Growth and development
  • Pests and diseases
  • Food production
Animal Husbandry & Veterinary Science Paper I:

  • Animal Nutrition
  • Animal Physiology
  • Livestock Production and Management
  • Genetics and Animal Breeding

Paper II:

  • Health and Hygiene
  • Veterinary Public Health
  • Animal Diseases
  • Milk and Milk Products Technology
  • Meat Hygiene and Technology
  • Extension
Chemistry Paper I:

  • Atomic structure
  • Chemical bonding
  • Solid State
  • The gaseous state
  • Thermodynamics and statistical thermodynamics
  • Phase equilibria and solutions
  • Electrochemistry
  • Chemical kinetics
  • Photochemistry 
  • Surface phenomena and catalysis
  • Bio-inorganic chemistry 
  • Coordination chemistry
  • General chemistry of ‘f’ block elements
  • Non-Aqueous Solvents

Paper II:

  • Delocalised covalent bonding
  • Pericyclic reactions
  • Reactions
  • Chemistry and mechanism of reactions 
  • Polymeric Systems
  • Synthetic uses of reagents 
  • Photochemistry
  • Principles of spectroscopy and applications in structure elucidation
Agricultural Engineering Paper I:

  • Soil and Water Conservation
  • Aerial Photography and Remote Sensing
  • Irrigation and Drainage
  • Agricultural Structures 

Paper II:

  • Farm Power and Machinery
  • Agro-energy
  • Agricultural Process Engineering
  • Instrumentation and Computer Applications in Agricultural Engineering 
Botany Paper I:

  • Microbiology and Plant Pathology
  • Cryptogams
  • Phanerogams
  • Plant Utility and Exploitation
  • Morphogenesis

Paper II:

  • Cell Biology
  • Genetics, Molecular Biology and Evolution
  • Plant Breeding, Biotechnology and Biostatistics
  • Physiology and Biochemistry
  • Ecology and Plant Geography
Civil Engineering Paper I:

  • Strength of materials
  • Structural analysis
  • Engineering Mechanics 
  • Structural Steel Design
  • Design of Concrete and Masonry Structures 
  • Fluid Mechanics, Open channel flow, and Hydraulic Mechanics 
  • Hydraulic Machine and Hydropower
  • Geotechnical engineering

Paper II:

  • Construction Technology
  • Construction Equipment
  • Survey and Transport Engineering
  • Hydrology, Water Resources, and Engineering
  • Environmental Engineering
Chemical Engineering Paper I:

  • Fluid and Particle Dynamics
  • Mass Transfer 
  • Heat Transfer
  • Noval Separation Processes
  • Process Equipment Design
  • Process Dynamics and Control

Paper II:

  • Material and Energy Balances
  • Chemical Engineering Thermodynamics
  • Chemical Reaction Engineering
  • Chemical Technology 
  • Environmental Engineering and Safety
  • Process Engineering Economics
Forestry Paper I:

  • Silviculture
  • Agroforestry, Social Forestry, Joint Forest Management and Tribology 
  • Forest Soils, Soil Conservation and Watershed management 
  • Environmental Conservation and Biodiversity
  • Tree Improvement and Seed Technology

Paper II:

  • Forest Management and Management Systems
  • Forest Working Plan
  • Forest Mensuration and Remote
  • Sensing
  • Surveying and Forest Engineering
  • Forest Resources and Utilization
  • Forest Ecology and Ethnobotany
  • Forest Protection & Wildlife Biology
  • Forest Economics and Legislation
Mathematics Paper I:

  • Linear Algebra 
  • Calculus 
  • Analytic Geometry
  • Dynamics, Statics, and Hydrostatics
  • Vector Analysis
  • Ordinary Differential Equations

Paper II:

  • Algebra
  • Real Analysis
  • Complex Analysis
  • Linear Programming
  • Partial differential equations
  • Numerical Analysis and Computer programming
  • Numerical integration
  • Numerical solution of ordinary differential equations
  • Computer Programming
  • Mechanics and Fluid Dynamics
Mechanical Engineering Paper I:

  • Theory of Machines
  • Mechanics of Solids
  • Engineering Materials
  • Manufacturing Science
  • Manufacturing Management
  • Elements of Computation

Paper II:

  • Thermodynamics
  • I.C. Engines, Fuels and Combustion
  • Heat Transfer, Refrigeration and Air Conditioning
  • Turbomachine and Powerplants
Physics Paper I:

  • Classical Mechanics
  • Special Relativity, Waves & Geometrical Optics
  • Physical Optics
  • Electricity and Magnetism
  • Electromagnetic Theory & Black Body Radiation
  • Thermal and Statistical Physics

Paper II:

  • Quantum Mechanics I
  • Quantum Mechanics II & Atomic Physics
  • Molecular Physics
  • Nuclear Physics
  • Particle Physics & Solid State Physics
  • Electronics
Zoology Paper I:

  • Non-Chordata and Chordata
  • Ecology
  • Ethology
  • Economic Zoology
  • Biostatistics
  • Instrumental Methods

Paper II:

  • Cell Biology
  • Genetics
  • Evolution 
  • Systematics
  • Biochemistry 
  • Physiology
  • Developmental Biology
Statistics Paper I:

  • Probability
  • Statistical Inference
  • Linear Inference and Multivariate Analysis
  • Sampling Theory and Design of Experiments

Paper II:

  • Industrial Statistics
  • Optimization Techniques
  • Quantitative Economics and Official Statistics
  • Demography and Psychometry
Geology Paper I:

  • General Geology
  • Geomorphology and Remote Sensing
  • Structural Geology
  • Paleontology 
  • Stratigraphy and Geology of India
  • Hydrogeology and Engineering Geology

Paper II:

  • Mineralogy 
  • Igneous and Metamorphic Petrology
  • Sedimentology
  • Economic Geology
  • Mining Geology
  • Geochemistry and Environmental Geology

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Cracking IFS Mains: Structure, Options, and Evaluation

  • English Mastery: IFS Mains Paper I Insights
    • This paper is designed to test the candidates’ understanding of English and use of words. It typically includes essay writing, comprehension, and précis writing. The purpose is to evaluate the candidate’s ability to communicate effectively in English.
  • General Knowledge Mastery: IFS Mains Paper II Exploration
    • Paper II of the Indian Forest Service examination covers a wide range of subjects, encompassing Indian politics, its political framework, and the Constitution. 
    • Candidates undergo evaluation on their proficiency in Indian history and geography, demanding a thorough understanding of the socio-political terrain that defines our nation. 
    • This comprehensive assessment aims to analyse the candidates’ capabilities in navigating the complexities of India’s political and historical dimensions.
  • Strategic Selection: Choosing and Acting IFS Mains Optional Subjects (Papers III, IV, V and VI)
    • Candidates have the flexibility to choose optional subjects based on their preferences and expertise. 
    • These selections play an important role in Papers III and IV, shaping the content and focus of these segments.
    • This emphasizes the importance of thoughtful consideration when picking optional subjects that align with individual strengths.
    • Understanding each paper and how optional subjects fit in helps you get ready for the UPSC IFS Mains Exam.
    • The total number of optional subjects questions in the questionnaires will be eight. 
    • Every question allotted equal marks. Each paper will be divided into two parts, Part A and Part B, each part containing four questions
    • Out of eight questions, five questions are to be attempted. One question in each part will be compulsory. Candidates will be required to answer three more questions out of the remaining six questions, taking at least one question from each Part. 
    • In this way, at least two questions will be attempted from each Part i.e. one compulsory question plus one more.
  • Please note here all the papers of the UPSC IFS Mains examination i.e. papers I, II, III,  IV, V, VI are considered for evaluation. The marks scored in these papers will determine your rank in the final result.

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UPSC IFS Mains Syllabus FAQs

There are a total of 14 optional subjects specified in the official notification of UPSC.

No, the first two papers of UPSC IFS mains i.e Paper I and Paper II are of 300 marks each and the four optional papers have weightage of 200 marks each.

No you can choose two optional combinations other than specified by UPSC, combination is mentioned in the above article.

Yes, in the UPSC IFS prelims, there is a negative marking of -0.66 for Paper 1 and -0.83 for Paper 2.

Yes, the syllabus for UPSC IAS and UPSC IFoS is the same for the Prelims stage. However, the Mains syllabus differs, with IFoS focusing more on science and engineering subjects while IAS covers broader topics in general studies.
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