UPSC Prelims Test Series
The Prelims is not a knowledge test. It is a decision test.
Two hours. One hundred questions. Two hundred marks. One third of the marks for a question are deducted when you get it wrong. Only the General Studies paper counts towards the cut-off, and the marks you score are thrown away entirely once you qualify, because the Prelims is a screening test and contributes nothing to your final rank. (UPSC Civil Services Examination Rules.)
Sit with that structure for a moment and you can see what it actually asks of you. You will not know the answer to somewhere between twenty and forty of those hundred questions with certainty. What separates a candidate who clears from one who misses by four marks is almost never the twenty they knew cold. It is what they did with the forty they did not.
That decision, made a hundred times in a hundred and twenty minutes under pressure, is a trainable skill. It is trained by writing papers, marking them honestly, and looking at the data afterwards. It is not trained by reading the standard books a fourth time.
This test series exists to train it.
What you get wrong is more useful than what you get right
After each test we do not just tell you your score. We separate your hundred questions into four groups, because each one requires a different response from you.
- Knew it, got it right. Nothing to do. This is the group most candidates spend their revision time on, because it feels good.
- Knew it, got it wrong. Misread the question, missed a "not", picked the second-best option, or ran out of time and rushed. This is pure marks lost to process, and it is the fastest group to fix. Many candidates who miss the cut-off lose more here than they lose to ignorance.
- Did not know it, eliminated well, got it right. This is skill, not luck, and it is the group we want to grow. Learning which two of four options can be struck out is worth more in the last three months than any new book.
- Did not know it, guessed, got it wrong. The cost of these is the whole argument about how many questions to attempt. Over a series of full-length papers your personal strike rate on guessed questions becomes a number, and from that number you can work out the attempt count that maximises your score. Most candidates decide this by folklore. You will decide it from your own data.
CSAT is not the paper you can ignore
The Civil Services Aptitude Test is 80 questions and 200 marks, and it is qualifying: you need 33 per cent, which is 66 marks, and nothing above that adds anything to your position. (UPSC Civil Services Examination Rules.)
Because it is qualifying, it is the paper aspirants postpone. And because it is the paper aspirants postpone, it is the paper that ends otherwise strong campaigns, usually for candidates from a humanities background who last did arithmetic in school and discover in the hall that comprehension passages at speed are harder than they look.
CSAT papers are included in this series rather than sold as an add-on, and they are scheduled through the programme rather than bunched into April, because the point of a qualifying paper is to establish early that you will qualify and then stop thinking about it.
The schedule
The test calendar is built backwards from the examination. The UPSC Annual Calendar 2027 places the Civil Services Preliminary Examination on 23 May 2027, with the notification expected on 13 January 2027 (source: upsc.gov.in/examinations/exam-calendar). Every date below is fixed against that.
The sequence runs in three phases. Sectional tests cover the syllabus in blocks so that a weak area shows up in October rather than in May. Full-length tests begin once the sections are done, and are written at the same time of day as the real paper. Simulations in the final six weeks replicate the paper exactly, including the afternoon CSAT sitting, so that the 23rd of May is not the first time you have done a full examination day.
| # | Portion | Type | Date | Start |
|---|---|---|---|---|
| 1 | Ancient and medieval India, art and culture | Sectional | TBA | TBA |
| 2 | Modern India and the freedom struggle | Sectional | TBA | TBA |
| 3 | Post-independence India and world history | Sectional | TBA | TBA |
| 4 | Indian polity I: constitution, rights, directive principles | Sectional | TBA | TBA |
| 5 | Indian polity II: legislature, executive, judiciary, federalism, constitutional and statutory bodies | Sectional | TBA | TBA |
| 6 | Physical geography and map-based questions | Sectional | TBA | TBA |
| 7 | Indian and world geography, resources, agriculture and industry | Sectional | TBA | TBA |
| 8 | Indian economy I: national income, money, banking, inflation | Sectional | TBA | TBA |
| 9 | Indian economy II: public finance, budget, external sector, schemes | Sectional | TBA | TBA |
| 10 | Environment, ecology, biodiversity and climate change | Sectional | TBA | TBA |
| 11 | General science and science and technology | Sectional | TBA | TBA |
| 12 | Current affairs, rolling twelve months | Sectional | TBA | TBA |
| 13 | CSAT: comprehension | Sectional | TBA | TBA |
| 14 | CSAT: quantitative aptitude and data interpretation | Sectional | TBA | TBA |
| 15 | CSAT: logical reasoning and analytical ability | Sectional | TBA | TBA |
| [n] | Full syllabus | Full-length GS | TBA | TBA |
| [n] | Full CSAT paper | Full-length CSAT | TBA | TBA |
| [n] | Full examination day: GS in the morning, CSAT in the afternoon | Simulation | TBA | TBA |
Who sets the questions
What you receive after each test
Turnaround
See a real report before you pay
Fees
Our UPSC Foundation Course → is ₹15,000 and our UPSC Crash Course → is ₹65,000, both published. The test series fee will be published here in the same way, with what it includes and what it does not.
Written online, from anywhere in Tamil Nadu
Tests are written online, so aspirants in Tiruppur, Erode, Salem, Pollachi and the Nilgiris write on the same schedule as those in Coimbatore.
Start here
Send us your Prelims score card from your last attempt. We will look at where the marks went and tell you whether this test series addresses your problem. If it does not, we will tell you what does.
Send your score card for a free review →
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How many questions should I attempt in the Prelims?
There is no universal number, and any provider who gives you one is guessing. It depends on your accuracy when you guess, which is personal to you and measurable. Write six or seven full-length papers, look at your own strike rate on questions you were unsure about, and the number falls out of the data.
Do I get explanations for the questions I got wrong?
FAQs
When does the UPSC Prelims Test Series for 2027 start?
The series is built backwards from the Civil Services Preliminary Examination on 23 May 2027, as published in the UPSC Annual Calendar 2027.
How many tests are in the series?
The syllabus portions covered are listed in the schedule table above.
Is CSAT included?
Yes. CSAT papers are part of the series and are not charged separately. CSAT is qualifying at 33 per cent, which means it cannot improve your position but it can end your attempt, and it is the paper most aspirants leave too late.
Can I write the tests if I am working?
Yes. Tests are online, and details on the test window and late-writer policy will be published here.
What is the difference between this and the Prelims coaching course?
The UPSC Prelims course → teaches the syllabus. This series tests whether you can convert it into marks in two hours with negative marking. If you have already covered the syllabus, you want this page and not that one.