Rachit Kumar
Rachit Kumar Saxena
Manager-Editorial
Updated on Jun 12, 2024 15:22 IST
The UPSC Prelims exam will be conducted on June 16. The candidates can see here the most important subject-wise topics for the UPSC CSE (IAS) prelims exam 2024. The candidates are suggested to prepare all the static and current topics given here. The candidates should prepare a priority list of subjects to prepare

The Union Public Service Commission will conduct the UPSC CSE (IAS) 2024 prelims exam on June 16, 2024. The candidates are suggested to revise and practise as much as they can because not much time is left. Here we are summarising the most important subject-wise topics for the UPSC IAS prelims General Studies Paper 1. The candidates can see below the mix of static and current-oriented topics for the UPSC CSE prelims exam 2024. 

Most_Important_UPSC_Topics_for_CSE_IAS_2024  Most Important UPSC Topics for CSE (IAS) 2024

UPSC Topics for IAS Prelims 2024:  The Union Public Service Commission will conduct the Civil Service Exam (CSE) Prelims Exam on June 16, 2024, across the nation at the designated exam centres. Not much time is left for the exam and it is high time that the candidates should revise the most important topics for the UPSC CSE (IAS) prelims exam 2024. The UPSC IAS prelims exam is a qualifying exam only where the candidates are required to breach their category cutoff to qualify for the UPSC Main exam.The Union Public Service Commission will conduct the UPSC prelims exam 2024 based on the IAS syllabus mentioned in the official notification.

Also Read: UPSC Answer Key 2024 Live Updates

The candidates are suggested to practice with the previous year's question papers. The UPSC Prelims syllabus covers many subjects including Polity, Geography, History, Economy, Science & Technology, Environment, and Current Affairs. We suggest that the candidates perceive the UPSC topics as static topics and current topics. It will help the candidates to segregate their preparation build the mental links between them and prepare the concept with their application. 

Q:   When was the IAS 2024 Notification released?
A:

The UPSC IAS 2024 notification was released on February 14, 2024. The notification included important dates, the number of vacancies, the syllabus, and all the criteria for appearing in the UPSC Civil Services Examination. Candidates can apply for the UPSC IAS application form until March 5, 2024.  There are 1056 UPSC vacancies in the IAS 2024 exam.

The IAS Exam for 2024 prelims phase will take place on May 26, 2024. The minimum age to fill the IAS 2024 application is 21 years and the maximum age is 32 years. Age relaxation is provided to candidates belonging to certain categories.

Q:   How many vacancies are notified in IAS 2024 exam?
A:

The Union Public Service Commission notifed 1056 vacancies in the Civil Service Exam (CSE) 2024 notification on February 14, 2024. The Commission notifies the tentative number of Civil Service vacancies for the exam. The Commission can increase or decrease the number of vacancies in the final result. 
In normal circumstances, the Civil Service vacancies increase because the Commission includes the requisition received from the Central Government Ministries till the prelims exam is conducted.

Q:   What is IAS 2025 Prelims Exam Date?
A:

The Union Public Service Commission released the UPSC IAS 2025 prelims and main exam date. The Commission released the IAS 2025 notification online on January 22, 2025. The last date for the IAS 2025 application was February 21, 2025. The Commission will conduct the IAS 2025 prelims exam on May 25, 2025.

The IAS main exam 2025 will be conducted from August 22, 2025. The Commission preponed the main exam by one month.

There are certain topics which seem important for the UPSC IAS exam 2024 but interestingly they are not asked in the prelims exam. UPSC mostly ask for the background of current events. Ideally, UPSC asks around four aspects of a topic in one question through multiple options and only one option is correct. The candidate having a clear idea bout the topic can only answer those confusing questions. The candidates should balance their preparation in the static General Studies topics and Current affairs so that they can make the interconnect between the two. This will help in the answer writing as well as in the prelims exam.

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UPSC IAS questions always spell surprise to most of the candidates because they ask interdisciplinary questions in the exam where the candidates need to write about various aspects of the topic within the time constraint. The information acquired in these topics can be utilized in these types of questions.

Table of contents
  • Current Affairs and UPSC Preparation
  • UPSC Topics for Indian Polity & Governance Section
  • UPSC Topics for Indian and World Geography
  • UPSC Topics for Indian Economy Section
  • UPSC Topics for History
  • UPSC Topics for Science and Technology
  • UPSC Topics for Environmental Science
  • Current Affairs Topics for UPSC IAS 2024
  • Important Essay Topics for UPSC IAS 2024 Main
View More

Current Affairs and UPSC Preparation

Current events of national and international importance and the General Studies topics are important for the IAS exam, be it IAS prelims, main or the IAS interview. The IAS exam needs a clear understanding of all aspects of Current affairs and general studies. We here provide a comprehensive list of topics important for the UPSC exam 2023 and the IAS main exam 2023. There are some IAS topics which are evergreen and some IAS topics are very important for the year. IAS preparation revolves around these IAS topics because there is a high probability of getting questions in the IAS question papers. The candidates can see below some of the most important static topics for the UPSC Prelims exam 2024.

Q:   How many exam centres are there in UPPSC Prelims exam 2024?
A:

The Uttar Pradesh Public Service Commission conducted the UPPSC Prelims exam in 41 districts of the state. There are 75 districts in the State. Last year, the UPPSC PCS prelims exam was conducted in 51 districts. Earlier the UPPSC prelims exam was conducted in around 25 cities in the state. 

Q:   When will IAS 2025 notification be released?
A:

The Union Public Service Commission released the IAS 2025 notification on January 22, 2025. The IAS notification notifies the number of vacancies, syllabus, exam pattern, eligibility, age limit and other rules which will govern the exam. The last date to apply online for the IAS 2025 exam will be February 11, 2025.

Q:   What is the IAS 2025 Prelims Exam Date?
A:

UPSC Civil Service (IAS) 2025 will be conducted on May 25, 2025. The Union Public Service Commission released the UPSC Civil Service (IAS) 2025 notification was released on January 22, 2025. The Commission activated the IAS 2025 online application form on its official website - upsc.gov.in. 

The last date to apply for the IAS 2025 application form was February 21, 2025.

UPSC Topics for Indian Polity & Governance Section

The Indian Polity section is the favourite section of the UPSC because a good number of questions are asked every year and the question seems very easy and direct but a close analysis of the questions provides the insight that the question was difficult. It is suggested to read Indian Polity questions twice before marking the answers. The important topics for the Indian Polity section are as follows.

  • Making of the Constitution and its features
  • Preamble
  • Fundamental Rights and Duties
  • Directive Principles of State Policy (DPSP)
  • Parliament and State Legislatures
  • Judiciary
  • Writs In the Indian Constitution
  • Cabinet Committees
  • Article 370 and its abrogation
  • Indian Penal Code
  • Electoral Process
  • Pro-tem Speaker
  • Emergency Provisions
  • Constitutional and Non-Constitutional Bodies
  • Anti-Defection Law
  • Uniform Civil Code and CAA
  • Model Prisons Act
  • Electoral Bonds
  • Important Provisions of Election Laws (Amendment) Bill, 2023
  • Expansion in BSF jurisdiction and the way ahead
  • New Agriculture Laws are essential for long-pending Agricultural reforms
  • All India orientation of CBI investigation
  • Implications of J & K Reorganisation Act, 2019
  • Difference between Cabinet Minister and Minister with Independent Charge
  • Prime Minister as the Residuary Legatee
  • Article related to the Land Boundaries and their redrawing
  • Articles related to the Citizenship of India
  • Citizenship Act
  • Articles related to the Supreme Court of India
  • Articles related to the Emergency Provisions in India
  • Article related to the Union-State relations with social emphasis on Article 256, 356
  • National Security Act
  • Essential Commodities Act
  • Important SC Judgements related to Fundamental Rights and Basic Structure Doctrine
  • Panchayati Raj Institutions
  • Lokpal Institution
  • Functioning of NITI Aayog

UPSC Topics for Indian and World Geography

The Geography topics are important because geography is a science-based subject and various candidates found it difficult to prepare. There are a good number of questions about the physical geography of India and the world. World geography has very few questions in the IAS question paper. The important topics are as follows.

  • Changing Sessional Patterns
  • Changing Climate and Impact on Agriculture
  • Places in News
  • Increasing frequency of Cyclone and their naming
  • Bihar and Assam Floods
  • Flood and the Indian preparations across the state
  • The naming convention of cyclones
  • Physical Features Along Indo-China Border
  • Geo-Magnetic Field and its significance
  • Cyclone Amphan &  Cyclone Nisarga
  • Formation of Himalayas and structure of Himalayas, Importance of Himalayas
  • Physical Geography of India
  • The drainage system in India
  • Monsoon pattern in India
  • Rock System in India
  • Formation of Rocks
  • Recent Census figures
  • Climatology
  • Hydrology
  • Agriculture, irrigation and cropping patterns
  • Minerals and energy sources
  • Landforms and drainage systems
  • Climatology and Heat Budget
  • Indian rock systems and soil types
  • Important straits, gulfs and bays
  • Geographical phenomena in the news like Sittwe Port, Kakhovka Dam, Batagaika Crater etc.
  • El Niño and La Niña
  • Green Revolution and Other Revolutions
  • Origin Of Universe

UPSC Topics for Indian Economy Section

Indian Economy topics are more oriented towards current events. The candidates need to prepare for the current economic events occurring in India and the world. The candidates need to understand the Indian Economic Structure and its interaction with the world.

Download here: UPSC IAS Question Papers

UPSC Topics for History

History of India is one of the largest sections in the IAS syllabus. The number of questions in IAS prelims and main exam is relatively less. Though the number is less, the UPSC can surprise any year with the increase in numbers in the IAS question paper. The important topic is based on the previous year's trend and recent discoveries.
The modern history is the most important section of the IAS prelims exam.

  • History of Galwan Valley
  • Dholavira excavation and the related discoveries
  • Government of India Act 1935
  • All the events occurred in the year 1919 and 1920.
  • All the events related to Mahatma Gandhi and Jawahar Lal Nehru
  • The Round Table Conferences – I, II and III. (III is most important)
  • Poona Pact
  • Jaliawalan Bagh Tragedy
  • Civil Disobedience Movement 
  • Cabinet Mission Plan
  • Quit India Movement
  • The Social Movements in Modern India
  • The Formation of the Indian National Congress, the Democratic Socialist Party and the local parties
  • The chronology of events leading to the Indian Independence
  • National Leaders related to the National Movement
  • Liberal Viceroys of India

UPSC Topics for Science and Technology

The Union Public Service Commission is proactive in asking Science and technology-related questions. These questions test the scientific temper of the candidates and the curiosity to know the latest happenings in the field of technology. The candidates can see below the important topics for the Science and Technology section.

  • Fundamental and Basic Concepts of Physics and Chemistry
  • Human Body and its functioning
  • Wbe 3.0
  • New Epidemics
  • Internet of Things
  • Fundamentals of Machine Learning, Large Language Model, Neural Network
  • Cybersecurity
  • Nuclear Power
  • Blockchain Technology
  • Space explorations of India and its factual details
  • Geostationary v/s Geosynchronous
  • LIGO India Project in India

UPSC Topics for Environmental Science

In recent years, the Environmental Science questions are getting prominence in the IAS prelims exam. The number of environment-related questions is increasing year after year. The candidates must consider this section separately but in conjunction with Geography.

  • Environment as Perceived by Common Man
  • Cloud Seeding
  • Global Warming - Causes and Impact
  • Bio-Geographical Classification of India
  • Layers in Atmosphere
  • Project Tiger
  • Natural Biodiversity
  • Food Web
  • Ozone Layer Depletion
  • Different Ecosystems
  • Ecology
  • Pollution in Oceans
  • Nutrient Cycle 
  • Pollution  - Types
  • Critically Endangered Animals
  • Carbon Mitigation Strategies
  • Environmental Degradation
  • Environment Acts and Policies (WPA 1972)
  • Waste Management
  • Wildlife Sanctuary and National Parks Mangrove Sites

Current Affairs Topics for UPSC IAS 2024

Current events of national and international importance are the guiding force for IAS preparation. It provides the locus of UPSC IAS preparation and the current affairs of the last 100 days are most important for the IAS prelims exam. The candidates need to prepare for the current affairs from January 1, 2023, to 20 days before the exam. The question paper is printed 20 – 25 days earlier than exam.

See here: IAS preparation in 100 days

 Important Essay Topics for UPSC IAS 2024 Main

The candidates should also practice to write IAS essay on a daily basis. The candidates shoudl write on diverse topics to practice for the essay. Topics given in the newspaper editorial can be very handy for the candidates for essay writing. The candidates explore more topics here.

  • The changing world order and India’s participation
  • India’s Foreign Policy and evolving bilateral issues
  • India’s relation with its neighbours
  • Border Security in India
  • Status and Condition of Women in Indian Society
  • Child labour and the restriction imposed by the Indian laws
  • Impact of technological advancement on the social fabric of Indian Society
  • Changing Trends in Indian Agriculture and the Economic Reforms
  • The Health Infrastructure in India
  • Rural and urban divide in India and how technology can play a vital role
  • What are the differences in the life of child age, youth age and old age?

For more topics, the candidates can follow - topics for essay writing

Also Read:

IAS Topper 2021 AIR 2 Ankita Agarwal

IAS Toppers -Kanishak Kataria, Akshat Jain and Junaid Ahmad Tips and Strategy

Current Affairs 2023 Topics for IAS exam

Important Questions for UPSC 2023 & IAS Main 2020

About the Author
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Rachit Kumar Saxena
Manager-Editorial
 
Role : Editorial Project Manager, Problem Solver & Test Prep Expert
 
Education: A Delhi University Alumni and a Science Graduate from Lucknow University
 
Rachit Kumar Saxena is a Ed-tech professio
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Answered 5 days ago

The UPSC IAS Notification 2026 has been postponed due to administrative reasons. The Commission released a notice on its official website - upsc.gov.in regarding this. The Commission will also revise the last date for UPSC applications.

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Nishtha Shukla

Contributor-Level 6

Answered 6 days ago

The Union Public Service Commission will release the IAS Prelims Answer Key 2026 in May 2027. The Commission releases the official answer key after the declaration of final result.

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Mamona Gupta

Contributor-Level 6

Answered 6 days ago

The Union Public Service Commission will conduct the IAS prelims exam on May 24, 2026. The Commission will release the IAS prelims result 2026 in the first week of June.

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Vipra Sharma

Contributor-Level 6

Answered 6 days ago

The Cadre Controlling Authority for Indian Foreign Service is the Ministry of External Affairs (MEA). It is recruited through the Civil Service Exam.

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Rachit Kumar Saxena

Contributor-Level 9

Answered 6 days ago

The Cadre Controlling Authority for Indian Police Service is the Ministry of Home Affairs (MHA). It comes directly under the supervision of Home Minister of India.

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Nitesh Singh

Beginner-Level 5

Answered 6 days ago

The Union Public Service Commission will notify the UPSC Civil Service vacancies in the official notification. The number of vacancies for IAS is 180 and for IPS it is 150. Rest of the vacancies are notified for the Central Civil Services.

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Manori Malhotra

Contributor-Level 6

Answered 6 days ago

The Union Public Service Commission mention the age limit in the official notification. The upper age limit for the General Categoary candidates is 32 years. The Commission provides age relaxation to certain reserved categories.

S

Saakshi Kumar

Contributor-Level 6

Answered 6 days ago

No, the Indian Foriegn Service is a Central Civil Service. It is organised and controlled by the Ministry of External Affairs. It is recruited through the UPSC Civil Service Exam conducted annually.

R

Rashmi

Beginner-Level 5

Answered 6 days ago

The Union Public Service Commission will release the Civil Service (IAS) notification 2026 on its official website - upsc.gov.in. The Commission will mention the number of vacancies (tentative) in the notification. The Commission is releasing over one thousand vacancies in the recent years.

R

Raj Shukla

Contributor-Level 6

Answered 2 weeks ago

Yes, the UPSC IAS previous year question papers are very important because they provide a clear picture of the exam. The UPSC IAS PYQs hints about the most frequently asked topics in the exam. It also provides the tentative weightage of the sections in the UPSC IAS syllabus.

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Nitesh Singh

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