How to become an IRS Officer (Indian Revenue Service) in 2021, Check Here

Indian Revenue Service is one of the finest services in the country as like as IAS. The procedure for becoming an IRS Officer is the same as that of being IAS.

It is just the difference between rank and preferred service cadre to choose for the different fields offered by the UPSC.

Do you the secret of IAS Preparation?

Which exam lead to IRS Officer

UPSC annually conducts exam for civil services to recruit for the following posts:

All India Services

  1. Indian Administrative Service
  2. Indian Police Service

Group A Services

  1. Indian Foreign Service
  2. Indian P & T Accounts & Finance Service
  3. Indian Audit and Accounts Service
  4. Indian Revenue Service (Customs and Central Excise) IRS Officer
  5. Indian Defence Accounts Service
  6. Indian Revenue Service (I.T.)
  7. Indian Ordnance Factories Service (Assistant Works Manager, Administration)
  8. Indian Postal Service
  9. Indian Civil Accounts Service
  10. Indian Railway Traffic Service
  11. Indian Railway Accounts Service
  12. Indian Railway Personnel Service
  13. Post of Assistant Security Commissioner in Railway Protection Force
  14. Indian Defence Estates Service
  15. Indian Information Service (Junior Grade)
  16. Indian Trade Service, Group ‘A’ (Gr. III)
  17. Indian Corporate Law Service

Click Here to Know Indian Police Service (IPS) Salary and other Government Facilities

Group – B Services

  1. Armed Forces Headquarters Civil Service (Section Officer’s Grade)
  2. Delhi, Andaman & Nicobar Islands, Lakshadweep, Daman & Diu and Dadra & Nagar Haveli Civil Service
  3. Delhi, Andaman & Nicobar Islands, Lakshadweep, Daman & Diu, and Dadra & Nagar Haveli Police Service
  4. Pondicherry Civil Service
  5. Pondicherry Police Service

Click here to know how to do Effective self-study for UPSC Examinations 

To get any of these posts, the candidate has to need to clear all the stages including preliminary exam, mains exam and interview in one year’s attempt only that means if one passed the preliminary exam but could not qualify the mains somehow then he/she has to appear for prelim again in next attempt.

A preliminary exam is an objective type. For one question four answers are given where one has to choose the right answer and make a circle for that option in the answer paper.

Click here to know Everything about IPS Examination

The paper I: It is for 100 questions. Each question carries two marks hence total paper is of 200 marks. There is a negative marking system. For every wrong answer, 2/3 marks are deducted. That means 0.66 marks get a minus for each wrong answer.

Paper-II: It is of 80 questions. Each question carries two and a half marks hence total paper is of 200 marks. There is a negative marking system. For every wrong answer, 2.5/3 marks of that question are deducted. That means 0.83 marks get a minus for each wrong answer.

Click here to know the Preparation Tips for School and College Students

Preliminary exam syllabus

Paper I:

  • Current events of national and international importance.
  • History of India and Indian National Movement.
  • Indian and World Geography-Physical, Social, Economic Geography of India and the World.
  • Indian Polity and Governance – Constitution, Political System, Panchayati Raj, Public Policy, Rights Issues, etc.
  • Economic and Social Development Sustainable Development, Poverty, Inclusion, Demographics, Social Sector initiatives, etc.
  • General issues on Environmental Ecology, Bio-diversity, and Climate Change – that do not require subject specialization.
  • General Science.


  • Comprehension.
  • Interpersonal skills including communication skills.
  • Logical reasoning and analytical ability.
  • Decision-making and problem-solving.
  • General mental ability.
  • Basic numeracy (numbers and their relations, orders of magnitude, etc.) (Class X level), Data interpretation (charts, graphs, tables, data sufficiency, etc. – Class X level).

There is four general studies paper for mains exam and two papers of one optional subject. Also, one essay paper and one English compulsory paper along with one regional language paper are there.

After qualifying the mains exam, the candidate is been shortlisted for an interview depending upon the marks. Once he/she cracked it, the IRS is not distant. If you choose Indian Revenue Service is your option while filling the form in cadre preference you will get that service as per the ranking and vacancies.

If you have any other Questions related to IRS Officer in 2021, you may ask your Queries by commenting below.

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  1. PRADEEP.R.P says:

    give suggestion for to became a indian revenue service how to improve my self and also my spelling skills.please help aim and goal is spelling skills,attitude,communication,extra.please help me.i will see comment 2marrow .

  2. ayush says:

    Hi, I just want to know or get to the official notification showing the complete syllabus

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