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UPSC Free Study Notes for IAS Prelims & Mains

UPSC is in charge of overseeing the renowned Civil Services Exam each year. Candidates for IAS exam should keep in mind that although these UPSC notes are in line with the UPSC Prelims and Mains syllabuses, the review strategy must differ depending on whether the questions are objective (for the Prelims) or subjective (for the Mains).

UPSC Notes 

UPSC Preliminary exam is approaching and candidates who are planning to crack the CSE Prelims exam should be deep into the preliminary exam Preparation. UPSC Prelims is a test of knowledge, analytical ability and clarity of thought and understanding.

This article will provide you with UPSC Notes free for the following:

  1. UPSC GS 1 Free Study Material
  2. UPSC GS 2 Free Study Material
  3. UPSC GS 3 Free Study Material
  4. UPSC GS 4 Free Study Material

These study materials have been curated keeping into consideration the UPSC Prelims Syllabus.

UPSC Free Study Material

UPSC is responsible for conducting various competitive exams in India, including the Civil Services Examination (CSE), which includes the Indian Administrative Service (IAS), Indian Police Service (IPS), and Indian Foreign Service (IFS), among others.

While UPSC does provide some resources and information for free on its official website, the comprehensive UPSC Notes for UPSC exams is usually not available for free due to the extensive nature of the exams and the specialized knowledge required. StudyIQ is the only online website for UPSC Preparations that provides all the study material for UPSC for free for candidates preparing for UPSC CSE Exam. Other Sources for free UPSC Materials are:

  1. Official UPSC Website: Visit the official UPSC website (www.upsc.gov.in) regularly to find notifications, exam syllabus, previous year question papers, and other important updates. They may occasionally provide some free resources or sample papers.
  2. NCERT Books: The National Council of Educational Research and Training (NCERT) publishes textbooks that can be very useful for UPSC exam preparation, especially for the Preliminary stage. You can find these books for free or at a low cost at local bookstores or online.
  3. Public Libraries: Your local public library may have UPSC-related books and study materials available for borrowing. Check with your library to see what resources they have.
  4. Government Initiatives: Some state governments and educational institutions offer free coaching and study materials for UPSC aspirants as part of government initiatives to promote civil services.

General Studies Paper 1 Notes

UPSC Exams Mains is one of the four GS Paper For UPSC Mains.It is a subjective type of paper consisting of subjects like History, Geography, Art and Culture, and Indian Society. The GS 1 Syllabus and Structure for UPSC Preparation are provided in this article.


  • Art and Culture
  • Ancient History
  • Medieval History
  • Modern History


  • Physical Geography of India & World
  • Human Geography

Indian Society

  • Demography
  • Social Issues
  • Developments in Indian Society

General Studies Paper 2 Notes 

In the UPSC Civil Services Exam General Studies Paper 2 encompasses governance, constitution,Indian polity, social justice, and international relations,

Indian Polity Notes


  • Government policies and interventions
  • Governance
  • Transparency
  • Accountability
  • E-governance applications

Social Justice

  • Issues relating to the development and management of Social Sector/Services
  • Issues relating to poverty and hunger

International Relations

  • Bilateral Groupings
  • Regional and global groupings
  • Agreements involving India and/or affecting India’s interests

General Studies Paper 3 Notes 

UPSC Mains General Studies 3 paper contains topics on economic development, technology, biodiversity, disaster management, environment and security. You can use the complete GS 3 syllabus and structure in this post to help you prepare for the IAS Exam.


  • Economic Development in India
  • Macroeconomics

Science & Technology

  • Dark Matter
  • Higgs Boson
  • Rare Earth Elements
  • GM Crops
  • Gene Editing
  • Artificial Intelligence
  • Space Technology
  • Defence Technology


  • Types of Biodiversity
  • Biodiversity and Environment


  • Internal Security Challenges in India
  • Extremism
  • Terrorism
  • Money-Laundering

Disaster Management

  • Disaster Management in India
  • PM Cares Fund
  • National Disaster Management Plan 2016

General Studies Paper 4 Notes 

UPSC Mains General Studies Paper IV (GS-IV) is about Ethics, Integrity, and Aptitude. he candidate’s approach to resolving conflicts and solving problems is also examined.

Although there may be a little topical overlap, this paper is mostly independent of the curriculum of other GS papers. It may have a few subjects in common with Governance and Social Justice Subjects from General Studies II in the Civil Service Examination mains exams.

  • Ethics and Human Interface
  • Human Values
  • Attitude
  • Aptitude
  • Emotional Intelligence
  • Contributions of moral thinkers and philosophers from India and the world
  • Public or Civil Service Values and Ethics in Public Administration
  • Ethical issues in international relations and funding corporate governance
  • Probity in Governance: Concept of public service; Philosophical basis of governance and probity; information
  • Codes of ethics & Citizen’s Charters

StudyIQ Strategies for UPSC Civil Services Exam

Success in the UPSC (Union Public Service Commission) examinations, particularly the Civil Services Examination (CSE), requires a well-structured and disciplined approach. Here are some strategies followed by StudyIQ to help UPSC aspirants prepare effectively and increase their chances of success:

  • Understand the Exam Pattern by UPSC Expert of StudyIQ: Before you start preparing, thoroughly understand the UPSC exam pattern, which includes three stages: the Preliminary Examination (Objective), the Main Examination (Written), and the Personality Test (Interview). Understand the syllabus for each stage.
  • Study Plan Created by StudyIQ: Develop a comprehensive study plan that covers the entire syllabus. Allocate time to each subject and topic, giving more time to areas where you are weaker. Be realistic in setting your daily and weekly study targets.
  • Refer to Standard Textbooks: UPSC exams demand in-depth knowledge. Refer to standard textbooks for each subject. NCERT books are a good starting point for basic concepts, and then you can move on to more advanced texts.
  • Current Affairs by StudyIQ: Stay updated with current affairs, especially issues relevant to India and international events. Read newspapers, magazines, and watch news programs regularly. Make notes of important events and issues.
  • Practice Previous Year Papers: Solve previous years’ question papers to understand the exam pattern and gain familiarity with the type of questions asked. This will also help you manage time during the actual exam.
  • Take Mock Tests: Enroll in a good test series and take mock tests regularly. Mock tests simulate exam conditions and help you evaluate your performance. Analyze your mistakes and work on improving them.
  • Essay Writing Practice Classes: Practice essay writing regularly. Develop the skill of presenting your thoughts coherently and concisely. Read the essays of previous toppers to understand their approach.
  • Revision Sessions: Regular revision is crucial. Make concise notes for quick revision before the exam. Revision helps reinforce your knowledge and ensures you remember important facts.
  • Optional Subject Preparation with expert faculties: If you have an optional subject, focus on it intensively. Solve previous year’s question papers and practice answer writing. Join a coaching class if necessary.
  • Answer Writing Practice: The main exam involves extensive answer writing. Practice answer writing regularly, and get feedback from mentors or experienced candidates. Pay attention to the presentation, clarity, and structuring of your answers.
  • Time Management: Manage your time wisely. Allocate more time to subjects or topics where you need improvement. Divide your time well during the actual exams to ensure you attempt all questions.
  • Keep Motivating Candidate: UPSC preparation can be a long and challenging journey. Stay motivated by setting short-term goals, celebrating small successes, and visualizing your success.


A biography is a narrative or written account of a person’s life. It often includes information on the person’s upbringing, life experiences, accomplishments, and key moments. Biographies can be written about a wide range of people, including famous people from the past, politicians, scientists, and more. They seek to give a thorough and unbiased portrait of the subject, illuminating their biography, character, and achievements to society.

Numerous well-known individuals from India who have succeeded in their fields have been produced. By having courage, tenacity, and perseverance, these Indian heroes have fought against all odds and reached the highest point of accomplishment. Millions of Indians and people throughout the world have been inspired by them and their lives, as well as an entire generation of Indians.

Biographies of famous people are a constant source of creativity. A few of these Indian heroes’ biographies are provided on the UPSC StudyIQ. Freedom fighters, leaders, scientists, literary figures, authors, musicians, painters, social reformers, and business people are examples of those who fall under this category.


Which note is best for UPSC?

NCERT Notes for UPSC, NCERT Ancient Indian History Notes, NCERT Medieval Indian History Notes, NCERT Modern Indian History Notes, NCERT Art and Culture Notes, NCERT Geography Notes are best notes for UPSC. Candidates can also visit official website of StudyIQ for best and Quality notes for UPSC.

How can I memorize UPSC notes?

It is said that teaching is the best way to remember things. While studying, study as if you were to teach the topic to some other person in simple language. This allows you to as questions to yourself and will also help you understand the topic in detail.

Is NCERT notes enough for UPSC?

NCERT notes play a very crucial role in revising a higher number of topics & sub-topics in a timely manner. Given the vast & comprehensive nature of the UPSC IAS syllabus, it's evident that candidates will not be able to complete the entire syllabus in time by reading dozens of lengthy textbooks.

Why do we make notes in UPSC?

Effective Note-taking helps UPSC aspirants in grasping the topics for a longer period of time. It also helps in effective and efficient revision.