OPSC OAS · Prelims & Mains

Prepare like every
answer will be checked.

Solved previous year papers, optional-subject notes, dedicated Geography notes and the complete syllabus for the Odisha Administrative Service exam — kept in one desk, updated every cycle.

Browse Solved PYQs View Syllabus
VERIFIED
ANSWER
KEY
FORM NO.
OAS / GS-I / 2025
DURATION
120 mins
Q.01ABCD
Q.02ABCD
Q.03ABCD
Q.04ABCD
Q.05ABCD
SCORED 84 / 100 With Explanations
120+
Solved question papers
08
Optional subjects covered
10 yrs
Of past papers indexed
4
Resource desks, one login
Desk 01

Solved Previous Year Questions

Updated every attempt cycle

Every paper below is solved question-by-question, with the reasoning behind each correct option — not just the final key.

Featured e-Books

Cover Page OPSC OCS

OPSC OAS Prelims Exam — Solved Paper

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Book Cover OPSC OAS Prelims Exam GS Paper 2

OPSC OAS Prelims Paper II — Solved (2015–23)

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Book Cover OPSC OAS Exam GS Main Solved Paper

OPSC OAS Main Exam — GS Solved Paper

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Desk 02

Optional Subject Notes

GS notes + optionals

General Studies topic notes, plus subject-wise optional coverage. Geography Optional has its own dedicated desk below — it's big enough to earn one.

General Studies Notes

Agriculture Optional — Paper I, Section A

Desk 03

Geography Notes

Full Geography Optional tree

Every unit of the Geography optional, Paper I and Paper II, unpacked topic by topic — plus the general GS Geography and Geography of Odisha notes.

Geography (GS) Geography of Odisha Full Optional Notes e-Book

Paper I — Geographical Concepts & Thought

Section A · Physical Geography

Section B · Human Geography

Paper II — Geography of India, with Special Reference to Odisha

Section A

Section B

Note: candidates are required to answer one compulsory map question pertinent to subjects covered by this paper.

Book Cover Geography Optional Solved Question Paper OPSC

Geography Optional — Solved Question Paper

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Book Cover Geomorphology OPSC

Geography Optional — Complete Notes e-Book

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Book Cover Industry in India

General Studies Manual

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Desk 04

Full OPSC OAS Syllabus

Prelims + Mains + Interview
Download Full OPSC OAS Syllabus
OPSC OAS Exam 2025 — Official Notification (PDF)

Paper I — General Studies: Odisha history, geography & culture; Indian polity & economy; general science; current events; environment.
Paper II — CSAT: comprehension, logical reasoning, basic numeracy, decision-making.

Odia (or alternate language) paper, English paper, and an Essay paper — qualifying and merit components as per current OPSC notification.

GS I: History & Geography of Odisha and India. GS II: Governance, polity & social justice. GS III: Economy, agriculture, science & technology. GS IV: Ethics, integrity & aptitude.

One optional subject chosen from the OPSC list, examined across two papers. See the Optional Notes desk above for subject-wise coverage.

Final stage after Mains — assesses administrative aptitude, awareness of Odisha-specific issues, and communication.

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