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UPSC Civil Services Exam

UPSC is a Constitutional Recruiting Agency

It conducts Civil Services Exam annually. apart from 11 other exams, for Group A, Group B Services of Government of India, such as IAS, IPS, IRS. The Civil Services Exam consists of 3 stages, (1) Prelims, (2)Mains and (3) Interview.

Stage 1 consists of Prelims having 2 papers in Multiple Choice Questions, (1) General Studies and (2) Civil Services Aptitude Test (CSAT) (Qualifying Paper).

Stage 2 consists of Mains having 9 papers, in descriptibe type, (1) English (Qualifying paper), (2) 1 out od 22 Regional Languages (qualifying paper), (3) Essay Paper, (4 to 7) 4 papers of General Studies and (8 to 9) 2 papers of Optional Subjects.

Stage 3 consists of Interview, Which is a Personality Test.

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Advantage of Sanskrit as an Optinal Paper

The Scheme of UPSC Civil Services Exam offers 48 Optional Subjects.

While none opted for 6 Subjects and 42 Subjects were opted, during the last 10 years.

The Annual Reports released by reveals that the 10 years Average Success Rate for 42 Subjects is 8.05%, Having the Success Rate of

(1) 8.81% for 16 Specialized Subjects, (2) 9.23% for 17 Languages and (3) 7.69% for 9 General Subjects.

The Success Rate for Sanskrit is 8.23%, which is higher than the Average Success Rate of Total Subjects [8.05%] and the General Subjects [7.69%] and slightly lower than the Specialized Subjects [8.81%].

UPSC Eligibility 2025 Overview
Eligibility Criteria
Educational Qualification Graduation/Final Year or equivalent degree from a recognized university.
Age Limit 21 - 32 years
Age Relaxation SC/ST: Up to 5 years
OBC: Up to 3 years
Other Categories: Additional relaxations for disabled candidates and ex-servicemen.
Total Attempts General: 6 attempts
OBC: 9 attempts
SC/ST: Unlimited attempts until the age limit is reached.
Nationality Indian Citizens
Citizens of Nepal/Bhutan
Persons of Indian Origin (PIO) who have migrated with the intention to settle in India.
Medical Standards Candidates must be medically fit as per UPSC standards.
UPSC Age Limit 2025
Category Minimum Age Relaxation Maximum Age
General 21 Years No Relaxation 32 Years
OBC 21 Years 32+3 Years 35 Years
SC/ST 21 Years 32+5 Years 37 Years
Persons with Benchmark Disabilities (PwBD) 21 Years 32+10 Years 42 Years
EEx-Defence Services Personnel discharged from duty due to disability General: 21 Years 32+3 Years 35 Years
OBC: 21 Years 32+3+3 Years 38 Years
SC/ST: 21 Years 32+3+5 Years 40 Years
Ex-servicemen/ECOs/SSCOs (completed 5 years of service under certain conditions) General: 21 Years 32+5 Years 37 Years
OBC: 21 Years 32+5+3 Years 40 Years
SC/ST: 21 Years 32+5+5 Years 42 Years
UPSC 2025 Age Limit and Attempts
Category Maximum Age Number of Attempts
General/Economically Weaker Sections (EWS) 32 6
Other Backward Classes (OBC) 35 9
Scheduled Castes (SC)/Scheduled Tribes (ST) 37 Unlimited
Person with Benchmark DisabilityPwBD 42 GL/EWS/OBC – 09
SC/ST – Unlimited
Union Public Service Commission (UPSC) Cadre's List
Cadres Role Scope
Indian Administrative Service (IAS) Administrative officers at various levels, including District Magistrates (DM), Chief Secretaries, and Secretaries to the Government of India. Wide-ranging administrative responsibilities, policymaking, and governance.
Indian Police Service (IPS) Senior police officers who oversee law and order, investigation, counter-terrorism, and public security at district and national levels. Public safety, law enforcement, maintaining peace.
Indian Foreign Service (IFS) Diplomats representing India at embassies and consulates around the world. International relations, foreign policy, trade, and diplomacy.
Indian Revenue Service (IRS) – Income Tax Officers in the Income Tax Department, involved in the collection of taxes, enforcement of tax laws, and financial investigations. Tax administration, audits, and investigations.
Indian Audit and Accounts Service (IAAS) Auditing government expenditure and revenues. Financial audits, accounting, and fiscal management.
Indian Postal Service (IPoS) Administrative functions within the postal department, managing post offices, and providing postal services. Logistics, communication, and financial services.
Indian Civil Accounts Service (ICAS) Responsible for managing the accounts of the government of India. Budgeting, accounting, and financial management of government funds.
Indian Trade Service (ITS) Deals with the international trade and commerce sector, including trade policies and international agreements. Trade promotion, commerce, and negotiations.
Indian Information Service (IIS) Manages public relations and information dissemination for the government of India. Media, information, and public outreach.
Indian Railway Traffic Service (IRTS) Manages the operations and traffic control of Indian Railways. Railway operations, passenger services, and freight management.
Indian Railway Accounts Service (IRAS) Handles the financial administration and accounting functions within Indian Railways. Budgeting, auditing, and financial reporting.
Indian Railway Personnel Service (IRPS) Manages human resources and personnel policies in the Indian Railways. Recruitment, staffing, and employee welfare.
Indian Defence Accounts Service (IDAS) Deals with the accounting functions of the Ministry of Defence. Financial management in defense establishments, audits, and expenditure tracking.
Indian Ordnance Factories Service (IOFS) Manages ordnance factories that supply ammunition, armaments, and defense equipment. Defense production and procurement.
Indian Customs and Central Excise Service (ICS) Works in customs and excise departments managing the import/export duties and other fiscal responsibilities. Customs management, tariff enforcement, and excise duty.
Indian Corporate Law Service (ICLS) Involved in the regulation and management of corporate law in India. Legal framework for corporate governance.
Indian Economic Service (IES) Economists working in various ministries of the Government of India, including the Ministry of Finance and Ministry of Planning. Policy analysis, financial strategies, and national economic planning.
Indian Statistical Service (ISS) Statisticians working in various government departments, contributing to data collection, analysis, and reporting. Statistical analysis, economic surveys, and data-driven policymaking.