How I Scored 150+ in CSAT: Topper Strategies That Actually Work
6 min read
Feb 18, 2026

CSAT Civil Services Aptitude Test is officially a qualifying paper. Score 33% (around 66 out of 200) and you're through. So why do thousands of aspirants fail to clear it every year?
Because treating it as "just qualifying" is the trap.
Toppers who consistently score 150+ in CSAT don't do it by accident. They treat Paper II with the same structured intent as GS Paper I. Here's exactly how they do it and how you can too.
Understanding the CSAT Battlefield First
Before any strategy, know what you're dealing with:
- Total marks: 200 (80 questions × 2.5 marks each)
- Negative marking: 0.833 per wrong answer
- Time: 2 hours
- Qualifying cutoff: 66 marks (33%)
The paper tests you across three broad areas: Reading Comprehension (~30–35 questions), Quantitative Aptitude & Data Interpretation (~25–30 questions), and Logical/Analytical Reasoning (~15–20 questions).
Toppers who cross 150 typically attempt 70–75 questions with 85–90% accuracy. That's the target to reverse-engineer your prep from.
The Mindset Shift That Changes Everything
Most aspirants prepare for CSAT to survive it. Toppers prepare to dominate it.
The difference? Strategic selection over blind attempt.
CSAT questions are not equally difficult. In any given year, roughly 20–25 questions are straightforward, 35–40 are moderate, and 15–20 are genuinely hard. Toppers identify and lock the easy and moderate questions first and skip or guess strategically on the rest.
This is not luck. It's a trained skill that comes from repeated mock practice with timed conditions.
Section-by-Section Topper Approach
Reading Comprehension Your Highest ROI Section
RC typically contributes 40%+ of the paper. Toppers treat it as a guaranteed scoring zone, not a time sink.
What works:
- Read the questions before the passage. This helps you scan for answers instead of reading passively.
- CSAT RC passages tend to repeat themes environment, governance, philosophy, science. Reading editorials from quality sources trains your comprehension speed.
- Never spend more than 6–7 minutes per passage set (usually 4–5 questions). If you're stuck, move on and return.
- Inference-based questions are the trickiest eliminate options that go beyond what the passage explicitly states or implies.
A topper who masters RC can reliably score 60–70 marks from this section alone.
Quantitative Aptitude & Data Interpretation Where Most Aspirants Bleed Time
This section intimidates non-math backgrounds, but the UPSC quant syllabus is capped at Class X level. The topics are predictable: ratio and proportion, percentages, time-speed-distance, profit-loss, averages, number systems, and basic geometry.
What works:
- Build a topic-wise formula sheet and revise it daily for 4–6 weeks. There are fewer than 40 core formulas you need.
- DI sets (tables, bar graphs, pie charts) are not hard they're time-consuming. Practice speed calculation and approximation techniques.
- For every quant topic, solve 30–40 previous year CSAT questions before moving to mock sets. UPSC repeats patterns, not questions.
- If a calculation is going beyond 3 steps and numbers aren't simplifying, skip it. It's likely designed to trap.
Target: 50–60 marks from this section with disciplined prep.
Logical Reasoning Solve Smarter, Not Harder
This includes syllogisms, coding-decoding, blood relations, arrangements, and decision making.
What works:
- Logical reasoning questions either click immediately or don't. Spend no more than 90 seconds per question before flagging it.
- Venn diagram-based syllogism questions are highly formula-driven once you learn the 5–6 standard patterns, they become free marks.
- Decision-making questions have no fixed logic read each answer option as if you're an ethical civil servant making a practical call. Avoid extreme options.
The Practice Rhythm That Builds 150+ Scores
Topper preparation for CSAT is not just content-heavy it's mock-heavy.
Here's the weekly rhythm that works in the 3 months before Prelims:
- Weekdays: 1 sectional mock (45 minutes) focused on one topic area
- Saturday: Full-length CSAT mock (2 hours, timed strictly)
- Sunday: Deep analysis of Saturday's mock categorize errors as concept gaps, silly mistakes, or time management failures
The analysis matters more than the mock itself. Most aspirants take mocks and move on. Toppers rebuild their approach after every test.
PrepAiro's AI-powered practice engine lets you drill CSAT topics with adaptive difficulty and instant error analytics which cuts this feedback loop from days to minutes.
Time Management on Exam Day The Exact Sequence
Here's the sequence toppers follow inside the exam hall:
- First 10 minutes: Scan the full paper. Mark questions as Easy (E), Skip (S), or Return (R).
- Next 70 minutes: Solve all E questions in RC, Reasoning, and Quant. Don't linger.
- Next 30 minutes: Attempt all R (return) questions with fresh eyes.
- Final 10 minutes: Review marked answers; attempt calculated guesses on remaining questions only if two options can be eliminated.
This sequence ensures you never miss easy marks chasing hard ones.
The One Habit Most Aspirants Skip
Timed reading practice.
Reading Comprehension speed is not innate it's built. Toppers who score 150+ spend 15–20 minutes daily reading dense, argument-heavy text and summarizing it in 3 sentences. This builds active comprehension, not passive reading.
Over 60 days, this single habit can reduce your per-passage time by 30–40%, freeing up critical minutes for quant and reasoning.
Final Thought
CSAT at 150+ is not reserved for engineers or math wizards. It's available to anyone who approaches it with structure, practices under timed conditions, and learns from every mock with honesty.
The paper is predictable. The pattern is learnable. The score is reachable.
Use platforms like PrepAiro to track your sectional accuracy over time and identify where you're leaving marks on the table because in CSAT, the difference between qualifying and excelling is rarely knowledge. It's almost always strategy.
Target 150. Qualify isn't the ceiling it's the floor.