Union Public Service Commission (UPSC)

Union Public Service Commission is a Constitutional Body under Article 315-323 Part XIV Chapter II of the Constitution of India to discharge their duties, functions and obligations assigned under Article 320. The UPSC conducts various examinations in accordance with the Rules of examination as notified by the Government of India in a just, fair and impartial manner for making a merit-based selection and recommendation of candidates for various Group A and Group B Services of the Govt. of India. (Source: Website)



  • Indian Administrative Service (IAS)
  • Indian Police Service (IPS)
  • Indian Foreign Service (IFS)
  • Indian Revenue Service (IRS)

Other posts include – Indian Audit and Accounts Service (IAAS), Indian Customs and Central Excise Service (ICCES), Indian Information Service (IIS), Indian Engineering Service (IES) etc.

Group B posts include – Armed Forces Headquarters Civil Service, DANICS, DANIPS, Pondicherry Civil Service, Pondicherry Police Service

These are just examples of the many other posts that are filled through UPSC.


The educational qualification needed to appear for UPSC Examination is Graduation in any subject recognized by UGC.

Age Limit & Attempts:

The minimum age to appear for UPSC is 21 years, and upper age limit, number of attempts for various categories are as follows.
General 32 Years 06 Attempts
OBC 35 Years 09 Attempts
SC/ST 37 Years Unlimited attempt till age limit

Important Dates:

Notification and form filling for IAS Prelim Exam -February/March

Date of Preliminary Exam -May/JuneResult of Preliminary Exam- August/Sept
Commencement of Main Exam- Sept/OctDeclaration of Main Exam Results-Dec/Jan
Personality Test – February/MarchDeclaration of Final Merit List- May/June

Structure of Exam

Preliminary Examination
Compulsory No of Questions Duration of Test Maximum Marks
GS Paper I 100 2 Hours 200
GS Paper II (CSAT) 80 2 Hours 200

Main Examination

Sr.No Papers Subjects Duration of Test Maximum Marks
1 Essay Essay Writing (2 Essays) 3 Hours 250
2 GS Paper I Indian Heritage & Culture, History & Geography of the World & Society 3 Hours 250
3 GS Paper II Governance, Constitution, Polity, Social Justice & International Relation 3 Hours 250
4 GS Paper III Technology, Economic Development, Biodiversity, Environment, Security & Disaster & Management 3 Hours 250
5 GS Paper IV Ethics, Integrity & Aptitude 3 Hours 250
6 Optional Subject Paper I 3 Hours 250
7 Optional Subject Paper II 3 Hours 250
8 English Qualifying 3 Hours 300
9 Scheduled Language Qualifying 3 Hours 300

Important Notes:

  • Qualifying paper marks are not counted for final selections.
  • Total 1750 Marks are from 7 papers.
  • 250 *7 (1750) + 275 Marks for Personality Test.
  • Final Selection is out of 2025 based on Marks from Mains + Personality Test.
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