Most Important Topics to study for UPSC Engineering Services Prelims 2023

General Studies and Engineering Aptitude (Common for all Streams)

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

Civil Engineering

• Building Materials
• Solid Mechanics
• Structural Analysis
• Design of Steel Structures
• Design of Concrete and Masonry structures
• Construction Practice, Planning, and Management
• Flow of Fluids, Hydraulic Machines, and Hydro Power
• Hydrology and Water Resources Engineering
• Environmental Engineering
• Geo-technical Engineering and Foundation Engineering
• Surveying and Geology
• Transportation Engineering

Mechanical Engineering

• Fluid Mechanics
• Thermodynamics and Heat transfer
• IC Engines, Refrigeration, and Air conditioning
• Turbo Machinery
• Power Plant Engineering
• Renewable Sources of Energy
• Engineering Mechanics
• Engineering Materials
• Mechanisms and Machines
• Design of Machine Elements
• Manufacturing
• Industrial and Maintenance Engineering
• Mechatronics and Robotics

Electrical Engineering

• Engineering Mathematics
• Electrical Materials
• Electric Circuits and Fields
• Electrical and Electronic Measurements
• Computer Fundamentals
• Basic Electronics Engineering
• Analog and Digital Electronics
• Systems and Signal Processing
• Control Systems
• Electrical Machines
• Power Systems
• Power Electronics and Drives

Electronics & Telecommunication Engineering

• Basic Electronics Engineering
• Basic Electrical Engineering
• Materials Science
• Electronic Measurements and Instrumentation
• Network Theory
• Analog and Digital Circuits
• Analog and Digital Communication Systems
• Control Systems
• Computer Organisation and Architecture
• Electro Magnetics
• Advanced Electronics Topics
• Advanced Communication Topics

Most Important Topics to study for UPSC Combined Geo-Scientist Prelims 2023

UPSC Exams 2023 preparation tips: Important topics, how to write answers

UPSC Civil Services Exam 2023 (Prelims): Download previous years' question papers to ehance exam preparation