Science and Tech Syllabus for UPSC: Download Syllabus PDF

By Shubhra Anand Jain|Updated : October 7th, 2022

Science and Technology Syllabus for UPSC is part of prelims and UPSC mains GS 3. There are various science and tech optional subjects too such as Botany, Veterinary Science, Zoology and many more. The topics covered in this syllabus are science and technology in India, space, nuclear energy, defense and many more. 

Aspirants are instructed to follow the detailed approach towards science and technology syllabus for UPSC and explore the various topics as per weightage and your capabilities. Let’s have a look at the detailed structure of UPSC Science and Technology Syllabus and then prepare accordingly. 

Table of Content

Science and Tech Syllabus for UPSC Prelims

Candidates should have an idea about the structure of the UPSC Prelims syllabus of Science and Tech. As per the official syllabus for UPSC Prelims, General science must be covered in detail. Go through the below topics in the syllabus.

Science and Tech Syllabus for UPSC


The Big Bang Theory, Quantum Mechanics, Four Fundamental Forces of Nature, etc.


Atoms & Molecules, Elements, Compounds & Mixtures, Basics of Nuclear Chemistry, etc.


Viral Diseases, Microbes, Cells - Plants vs Animals, Proteins, Amino Acids, Enzymes

Vitamins and Minerals – Deficiency Diseases

Current Events

Science and Tech news related to defense, nuclear energy, vaccines, etc

Science and Tech Syllabus for UPSC Mains

Go through the detailed view of the UPSC exam syllabus of mains given below.

  • Science and technology- developments and their applications and effects in everyday life
  • Achievements of Indians in science & technology
  • Indigenization of technology and developing new technology
  • Awareness in the fields of IT, Space, Computers, robotics, nano-technology, bio-technology and issues relating to intellectual property rights.

Given below is the detailed format of the syllabus of Science and Tech syllabus for the mains exam. 

Science and Tech Syllabus for UPSC 


India’s Policy in the Field of the Science & Technology, The Science & Technology Policy Resolution in 1958, Science & Technology Policy 2013


Satellite Communication in India, INSAT Satellite Applications, Remote Sensing Applications, Cryogenic Rockets

IT, Telecom & Electronics

IT Industry in India, Applications of Information Technology, Display Technologies


Missile System and its Classification, India’s Missile System, India’s Ballistic Missile Defense System

Nano-Science & Nano-Technology

Nanoscience Nanotechnology and Nanomaterials, Applications of Nanotechnology, Health & Environmental Impacts of Nanotechnology


Robotics & Artificial Intelligence, Applications of Robotics, Robotics and Issues of Unemployment

Nuclear Energy

Nuclear-Power Policy of India, Non-energy Applications of Nuclear Energy, Impact of Radiation, Issue of Radioactive Waste


Application of Biotechnology, Biotechnology Projects, Issue of Bio-Piracy


Renewable Energy

Ocean Thermal Energy Conversion (OTEC), Concept of Green Building

Tidal, Wave, Geothermal Energy, Fuel Cells

Achievements of Indians in science & technology

Scientists of Ancient India, Science, and Scientists of Medieval India, Scientists of Modern India

In the mains exam, there are various science and tech optional subjects to choose from. You can go through the UPSC mains optional syllabus for the subjects given below-

UPSC Science and Tech Syllabus - Weightage In Prelims Exam

In the Prelims and mains exam, most of the questions asked from the science and tech syllabus for UPSC are related to current affairs. Let’s have a look at the weightage of science and technology questions for the last ten years in the UPSC prelims exam. You can also check the UPSC exam paper pattern for better understanding. 


Number of questions from UPSC science and technology syllabus



















Science and Tech Syllabus for UPSC - Preparation Tips

To begin with the preparation of the UPSC Syllabus for the science and technology section, you must begin with analyzing previous year's papers to determine what kind of questions are asked. Here are a few preparation tips that will cover the entire syllabus of UPSC Science and Technology.

  • Must analyze the structure of the syllabus: It is important to know about the structure of the syllabus carefully as it will help you in preparing for your exam. You can read the NCERT books as they will clear the basic concepts of the syllabus. 
  • Solve previous years' question papers: Make sure you solve the previous year UPSC question papers or mock tests as it will help you in performing well in the exams and this will help you to know about the weightage of multiple topics. 
  • Make subject-wise small notes: It is essential to read the important topics in detail and make keynotes on them. You should revise them on a regular basis.
  • Create a good study planner: You should make a study planner make things easier for yourself. Using this way, you can enhance your knowledge and skills effectively. 
  • Read the current affairs and newspapers: Make sure you go through current affairs and read the newspapers daily in order to get all the updated information about everything. 

Science and Tech Syllabus for UPSC: Booklist

Here we have mentioned some best books for the preparation of the Science and Tech Syllabus for UPSC. Some of them are given below.

  • You can go through NCERTs.
  • India Year Book
  • The Hindu

Sample Questions from UPSC Science and Technology Syllabus

This section's questions are dynamic in nature, meaning they are frequently posed in light of current events. You must go through the UPSC question papers to have a sound understanding of what kinds of questions are asked from the science and tech syllabus for UPSC. A few past year questions from this section are mentioned below. 

With reference to street-lighting, how do sodium lamps differ from LED lamps?

  1. Sodium lamps produce light in 360 degrees but it is not so in the case of LED lamps.
  2. As street-lights, sodium lamps have a longer lifespan than LED lamps.
  3. The spectrum of visible light from sodium lamps is almost monochromatic while LED lamps offer significant color advantages in street lighting.

Select the correct answer using the code given below: 

  1. a) 3 only
  2. b) 2 only
  3. c) 1 and 3 
  4. d) 1, 2 and 3

The term ‘ACE2’ is talked about in the context of 

  1. genes introduced in the genetically modified plants
  2. development of India’s own satellite navigation system
  3. radio collar for wildlife tracking
  4. spread of viral diseases 


List of UPSC Optional Subjects Syllabus
UPSC Agriculture SyllabusUPSC Animal Husbandry and Veterinary Science Syllabus
UPSC Anthropology SyllabusUPSC Botany Syllabus
UPSC Chemistry SyllabusUPSC Civil Engineering Syllabus
UPSC Commerce and Accountancy SyllabusUPSC Economics Syllabus
UPSC Electrical Engineering SyllabusUPSC English Literature Syllabus
UPSC Geography Syllabus UPSC Geology Syllabus
UPSC Hindi Literature SyllabusUPSC History Syllabus
UPSC Law SyllabusUPSC Management Syllabus
UPSC Maths SyllabusUPSC Mechanical Engineering Syllabus
UPSC Medical Science SyllabusUPSC Philosophy Syllabus
UPSC Physics SyllabusUPSC Political Science and International Relations (PSIR) Syllabus
UPSC Psychology SyllabusUPSC Public Administration Syllabus
UPSC CSAT SyllabusUPSC Sociology Syllabus
UPSC Statistics SyllabusUPSC Zoology Syllabus


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Science and Tech Syllabus for UPSC FAQs

  • There are so many topics which are included in the Science and Technology Syllabus for UPSC that are as follows: Science and Technology in India, Space, IT & Communication, Materials and Nano Technology & Robotics and many more. Questions are generally dynamic in nature and are in sync with the current events. 

  • You can easily complete the UPSC Science and technology Syllabus in 6 months with an appropriate study plan. To prepare for the UPSC Exam, you should go through a comprehensive and efficient approach. Always make a habit of making small notes on important topics and give your time and effort on a regular basis. 

  • The best books for Science and Technology for the IAS exam are Science and Technology in India by Kalpana Rajaram and Spectrum, General Science For Civil Services Preliminary Examinations by S.A.Majid, 1000 Plus Questions on General Science by TMH. Objective General Science by Expert Compilations and current affairs.

  • A total of 11 questions were asked in UPSC Prelims 2021 from UPSC Science and Technology Syllabus. There are five questions from Public Health, 3 questions from Chemistry, 2 questions from Physics and no questions from IT/ Electronics. 

  • No, the environment is not a part of the Science and Tech Syllabus for UPSC. It might overlap, but environment and ecology is stated separately in the UPSC syllabus for prelims and mains.

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