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Odisha PSC Civil Services (OAS) Prelims
Odisha PSC OAS Prelims — Paper 1 (GS) + Paper 2 (CSAT). 100 MCQs each, 2 hours each.
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Source: official exam authority notification · refreshed weekly. How this works →
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Current events of national and international importanceWhich country hosted the G20 Summit in 2023, where the African Union was granted permanent membership?
Tap an option to check your answer.
Start with a diagnostic
10 questions across the syllabus to see where you stand.
Verified against the official notification. Source ↗ · last reconciled 2026-05.
Historical cutoffs are a guide, not a prediction. Use them to set a realistic target, not to predict next year's exact number.
| Year | Category | Cutoff |
|---|---|---|
| 2023 | General (UR) | ~210 – 225 |
| 2023 | SEBC / OBC |
2025
2 questions
Take paper →2024
2 questions
Take paper →2023
2 questions
Take paper →2022
2 questions
Take paper →2021
2 questions
Take paper →Take any mock in your preferred language — use the language picker inside the mock to switch (Hindi, Telugu, Tamil, Bengali, and 15 more).
OPSC OAS — Quick Practice
FULL20 questions · 240 min
Start mock →| ~200 – 218 |
| 2023 | SC | ~185 – 200 |
| 2023 | ST | ~170 – 188 |
Source: official ↗ · verified 2026-05.
Approximate starting gross at an X-class (metro) posting. Actual pay depends on post, city, year of joining and prevailing DA.
Source: official ↗ · verified 2026-05.
Take a mock to see where you stand on the leaderboard.
What can I get from OPSC OAS?
Mock-score → expected rank → likely outcome. Use the mocks below to find your current band, then plan how many marks you need to climb.
Exceptional — top rankers
82–100% · Post-based exam (no numeric rank)
Top tier — premium postings likely
72–82% · Post-based exam (no numeric rank)
Strong Mains prospect — OAS range
62–72% · Post-based exam (no numeric rank)
Mains qualified — Group B range
50–62% · Post-based exam (no numeric rank)
Borderline — reserved categories
35–50% · Post-based exam (no numeric rank)
Below cut-off range
0–35% · Post-based exam (no numeric rank)
AI-curated from historic cut-off patterns. Always verify with the latest official notification before making decisions.
The Odisha Public Service Commission released the provisional answer key for the OCS Prelims 2026 on June 12. Candidates can submit objections through the official portal until June 22, 2026, at 12:00 Noon.
The Odisha Civil Services Preliminary Examination was held on June 7, 2026, across six zones in Odisha including Bhubaneswar, Cuttack, Balasore, Berhampur, Jeypore, and Sambalpur. The exam was conducted in two shifts for GS Paper 1 and CSAT.
OPSC announced 151 additional vacancies, raising the total count from 314 to 465 posts for Group A and Group B services including Odisha Administrative Service (OAS) and Odisha Police Service (OPS).
Admit cards for the OCS Prelims 2026 were made available on the official website opsc.gov.in from May 30. Candidates were advised to download and verify all details before the exam date.
📍OCS Prelims 2026 exam conducted
passedSun, 7 Jun, 2026
Held on June 7, 2026, in two shifts across six zones in Odisha
Provisional answer key released
passedFri, 12 Jun, 2026
Answer key for GS Paper 1 and CSAT released on June 12, 2026
Objection window deadline
passedMon, 22 Jun, 2026
Last date to submit objections was June 22, 2026, at 12:00 Noon
Prelims result expected
24 days awayTue, 4 Aug, 2026
Result to be declared after reviewing objections; shortlists candidates for Mains
📍Mains examination expected
174 days awayFri, 1 Jan, 2027
Tentative; typically held 4-5 months after Prelims result declaration
Personality test/Interview expected
294 days awaySat, 1 May, 2027
Conducted after Mains examination for shortlisted candidates
Click any topic to read study notes
Current events of national and international importance
Government schemes, geopolitics, sports, awards — last 12-18 months.
History of India
Ancient, medieval and modern India; Indus Valley, Mauryas, Guptas, Mughals, British rule.
Indian National Movement
1857 revolt, INC, moderates and extremists, Gandhian phase, Quit India, partition.
World History
Industrial Revolution, World Wars, Cold War, decolonization.
Kalinga and ancient Odisha
Kalinga War (261 BCE), Ashoka's Dhauli and Jaugada edicts, Kharavela's Hathigumpha inscription.
Dynastic history of Odisha
Mahameghavahanas, Bhauma-Karas, Somavamsis, Eastern Gangas, Suryavamsi Gajapatis.
Medieval Odisha
Mukunda Deva, Afghan and Mughal conquests, Maratha and British control of Odisha.
Paika Rebellion (1817)
Buxi Jagabandhu Bidyadhara led armed revolt against British in Khurda — early uprising before 1857.
Veer Surendra Sai and 1857
Sambalpur uprising; resistance till 1862; imprisonment at Asirgarh.
Odia Language and nationalism movement
Madhusudan Das, Utkal Sammilani 1903, formation of Odisha province on 1 April 1936.
Physical geography of India and World
Landforms, climatic regions, ocean currents, monsoon system.
Economic geography of India
Agriculture, mineral and energy resources, industrial regions.
Location and physiography of Odisha
Eastern coastal state on Bay of Bengal; Eastern Ghats; coastal plains, central highlands, plateaus.
Rivers of Odisha
Mahanadi, Brahmani, Baitarani, Subarnarekha, Rushikulya, Vansadhara — Hirakud dam on Mahanadi.
Odisha coastline and Chilika
480 km coastline; Chilika — Asia's largest brackish-water lake; Bhitarkanika mangroves.
Mineral resources of Odisha
Largest reserves of bauxite, chromite, iron ore, manganese, nickel; coal in Talcher, Ib valley.
Cyclones and disaster management
Super cyclone 1999, Phailin 2013, Fani 2019; OSDMA model of disaster preparedness.
Tribes of Odisha
62 tribes including Santhal, Kondh, Saora, Bonda, Juang, Munda, Paroja, Bondas of Malkangiri.
Indian Constitution
Making, Preamble, salient features, Fundamental Rights and Duties, DPSP.
Union Government and Parliament
President, PM, Lok Sabha, Rajya Sabha, Supreme Court.
State Government
Governor, CM, State Legislature, High Court, panchayati raj.
Constitutional and statutory bodies
ECI, UPSC, CAG, Finance Commission, NHRC, Lokpal.
Odisha Legislative Assembly
147-seat unicameral assembly, CM, Council of Ministers, Odisha High Court at Cuttack.
Economic and social development
Sustainable development, poverty, inclusion, demographics.
Budget, banking and taxation
GST, RBI, fiscal deficit, monetary policy, financial inclusion.
Agriculture and food security
MSP, PDS, farm laws, ICAR, e-NAM, irrigation.
Odisha industries and economy
Steel (Rourkela, Kalinganagar), aluminium (NALCO), Paradip Port, MSME, KALIA scheme.
Odisha government schemes
KALIA, BSKY (Biju Swasthya Kalyan Yojana), Mission Shakti, Mo Sarkar, 5T governance.
Environmental ecology and biodiversity
Ecosystems, food chain, biodiversity hotspots, conservation.
Climate change
UNFCCC, Paris Agreement, IPCC, India's NDCs, Net Zero by 2070.
Protected areas of Odisha
Simlipal Tiger Reserve, Bhitarkanika NP, Nandankanan, Satkosia, Chilika sanctuary, Gahirmatha turtles.
General Science — Physics
Mechanics, electricity, optics, modern physics applications.
General Science — Chemistry
Periodic table, acids/bases, fertilizers, polymers.
General Science — Biology
Cells, human body, diseases, plant biology.
Science and technology
ISRO missions, AI, biotechnology, IT — applications and recent advances.
Jagannath cult and Puri Rath Yatra
Lord Jagannath, Balabhadra, Subhadra; annual Rath Yatra; Sri Mandir built by Anantavarman Chodaganga.
Konark Sun Temple
13th-century Sun temple by Narasimhadeva I — UNESCO World Heritage; chariot of 24 wheels and 7 horses.
Odissi and folk dances
Odissi (one of 8 classical), Chhau (Mayurbhanj), Ghumura, Ranapa, Sambalpuri folk dance.
Festivals and fairs of Odisha
Rath Yatra, Bali Yatra, Konark Festival, Raja Parba, Nuakhai, Chhau festival.
Reading comprehension
English passages — main idea, inference, vocabulary, tone.
Interpersonal and communication skills
Effective communication, listening, persuasion, group behaviour.
Logical reasoning and analytical ability
Statement-conclusion, syllogism, deductive reasoning, assumption.
Decision-making and problem-solving
Ethical and managerial decision-making situations — non-negative scoring.
General mental ability
Series, analogy, coding-decoding, blood relations, directions, ranking.
Final result expected
359 days awayMon, 5 Jul, 2027
Based on combined Mains and Interview scores
Basic numeracy
Numbers and their relations, orders of magnitude — Class X level.