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UPSC IFS Exam Syllabus 2025

The syllabus of the UPSC IFS 2025 Mains examination is vast as well as well knitted. Here we have listed the topics and concepts for the upcoming UPSC IFS 2025 mains exam:

Subject Syllabus
Prescribed Syllabus for Compulsory Topics
General Knowledge Scientific Aspect, India and its neighbouring countries

General Awareness of the Environment

Current Events 

Sports

Indian Constitution etc.

General English Basic Comprehension, Writing Ability, etc.
Prescribed Syllabus for Optional Topics
Forestry
  • Silviculture - systems
  • Silviculture - Mangrove and Cold desert
  • Silviculture - Genera
  • Silviculture of trees
  • Tree Improvement and Seed Technology
  • Forest Soils, Soil Conservation and Watershed management
  • Agroforestry, Social Forestry, Joint Forest Management, and Tribology
  • Environmental Conservation and Biodiversity
  • Forest Working Plan
  • Surveying and Forest Engineering
  • Forest Management and Management Systems
  • Forest Mensuration and Remote Sensing
  • Forest Resources and Utilization
  • Forest Protection & Wildlife Biology
  • Forest Ecology and Ethnobotany
  • Forest Economics and Legislation
Mathematics
  • Linear Algebra
  • Vector Analysis
  • Calculus
  • Analytic Geometry
  • Ordinary Differential Equations
  • Linear Programming
  • Dynamics, Statics, and Hydrostatics
  • Complex Analysis
  • Numerical solution of ordinary differential equations
  • Partial differential equations
  • Mechanics and Fluid Dynamics
  • Numerical integration
  • Numerical Analysis and Computer programming
  • Computer Programming
  • Real Analysis
Physics
  • Classical Mechanics
  • Physical Optics
  • Special Relativity, Waves & Geometrical Optics
  • Quantum Mechanics I
  • Molecular Physics
  • Electricity and Magnetism
  • Electronics
  • Thermal and Statistical Physics
  • Quantum Mechanics II & Atomic Physics
  • Nuclear Physics
  • Electromagnetic Theory & Black Body Radiation
  • Particle Physics & Solid State Physics
Agriculture
  • Ecology and its Relevance
  • Environmental pollution
  • Hazards to crops
  • Water-use efficiency
  • Scope, and propagation of various types of forestry
  • Principles of soil fertility
  • Technology of stabilizing
  • Mutation-micro and macro
  • Role in crop improvement.
  • Cell Theory, cell structure, cell organelles
  • Cytoplasmic inheritance,
  • sex influenced
  • sex-limited characters.
  • Physiology and its significance in agriculture.
  • Osmosis etc.
Animal Husbandry and Veterinary Science
  • Animal Nutrition
  • Health and Hygiene
  • Veterinary Public Health
  • Animal Physiology
  • Milk and Milk Products Technology
  • Livestock Production and Management
  • Meat Hygiene and Technology
  • Extension
  • Animal Diseases
  • Genetics and Animal Breeding
Chemistry
  • Atomic structure
  • Thermodynamics and statistical thermodynamics
  • Chemical bonding
  • Solid State
  • Bio-inorganic chemistry
  • Polymeric Systems
  • The gaseous state
  • Delocalized covalent bonding
  • Phase equilibria and solutions
  • General chemistry of 'f' block elements
  • Surface phenomena and catalysis
  • Electrochemistry
  • Chemical kinetics
  • Photochemistry
  • Synthetic uses of reagents
  • Pericyclic reactions
  • Photochemistry
  • Coordination chemistry
  • Non-Aqueous Solvents
  • Chemistry and mechanism of reactions
  • Principles of Spectroscopy and Applications in Structure elucidation
Civil Engineering
  • Engineering Mechanics
  • Structural Analysis
  • Strength of Materials
  • Fluid Mechanics
  • Design of Structures: Steel, Concrete, and Masonry Structures.
  • Construction Equipment
  • Open Channel Flow
  • Hydraulic Machines
  • Hydrology, Water Resources, and Engineering
  • Environmental Engineering
  • Geo-Technical Engineering
  • Construction Technology
  • Survey and Transportation Engineering
  • Construction Planning and Management
Geology
  • General Geology
  • Structural geology
  • Geomorphology and Remote Sensing
  • Mineralogy
  • Paleontology
  • Economic Geology
  • Mining Geology
  • Hydrogeology and Engineering Geology
  • Stratigraphy and Geology of India
  • Geochemistry and Environmental Geology
  • Igneous and Metamorphic Petrology
  • Sedimentology
Statistics
  • Probability
  • Linear Inference and Multivariate Analysis
  • Quantitative Economics and Official Statistics
  • Industrial Statistics
  • Demography and Psychometry
  • Statistical Inference
  • Optimization Techniques
  • Sampling Theory and Design of Experiments
Mechanical Engineering
  • Theory of Machines
  • Manufacturing Science
  • Mechanics of Solids
  • Elements of Computation
  • Engineering Materials
  • Heat Transfer, Refrigeration and Air Conditioning
  • Thermodynamics
  • Manufacturing Management
  • I.C. Engines, Fuels and Combustion
Chemical Engineering
  • Mass Transfer
  • Fluid and Particle Dynamics
  • Process Equipment Design
  • Heat Transfer
  • Novel Separation Processes
  • Chemical Engineering
  • Process Dynamics and Control
  • Material and Energy Balances
  • Environmental Engineering and Safety
  • Thermodynamics
  • Chemical Reaction Engineering
  • Process Engineering Economics
  • Chemical Technology
Agricultural Engineering
  • Agricultural Structures
  • Aerial Photography and Remote Sensing
  • Soil and Water Conservation
  • Agro-energy
  • Irrigation and Drainage
  • Farm Power and Machinery
  • Instrumentation and Computer Applications in Agricultural Engineering
  • Agricultural Process Engineering
Botany
  • Cell Biology
  • Microbiology and Plant Pathology
  • Genetics, Molecular Biology and Evolution
  • Cryptogams
  • Plant Utility and Exploitation
  • Phanerogams: Gymnosperms
  • Physiology and Biochemistry
  • Morphogenesis
  • Ecology and Plant Geography
  • Plant Breeding, Biotechnology and Biostatistics
Zoology
  • Cell Biology
  • Economic Zoology
  • Systematics
  • Non-Chordata and Chordata
  • Developmental Biology
  • Ecology
  • Evolution
  • Biochemistry
  • Physiology
  • Ethology
  • Genetics
  • Biostatistics
  • Instrumental methods

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