Rahul Sir Classes

Rahul Sir Classes · Book Suite

34 Books. One System. Built for the CAT standard.

The RSC Complete Book Suite is a mentor-led, system-driven library that covers Quant, DILR and VARC, with OMET speed training and a strategy layer on top.

  • All-India
  • Online-only
  • Mentor-led
  • System-driven

Preparation rarely fails from lack of effort. It fails from lack of structure.

01

Scattered resources

Notes from one source, questions from another, videos from a third. Each uses its own method, so nothing compounds.

02

Unordered topics

Topics are studied in whatever order they appear, not in the order they depend on each other. Gaps stay hidden until the mock.

03

Practice without analysis

Mocks are taken, scores are noted, and the same errors return. Without diagnosis, practice only repeats the problem.

The Book Suite replaces scattered effort with one ordered system.

The Unified Preparatory System

One closed loop: Learn → Practice → Analyse → Improve

The biggest failure mode in CAT prep isn't a lack of material, it's fragmentation. UPS connects what you learn to what you practise to what you actually improve. Every RSC resource sits at one stage and feeds the next.

  1. 01 · Learn

    Classes · Books

    Concept-first live and recorded classes and structured books, built around named, repeatable frameworks rather than isolated tricks.

    Foundation
  2. 02 · Practice

    App Suite

    Deliberate, high-volume practice of what you just learned through the App Suite and topic-wise sets, before moving to full mocks.

  3. 03 · Analyse

    Test Series

    Not just a score: a breakdown of which frameworks you applied correctly, which you skipped, and where time was lost.

  4. 04 · Improve

    Mentorship

    Targeted correction and mentor guidance based on that analysis, feeding back into the next Learn stage. The loop closes instead of starting over.

Improve feeds back into Learn

Same method, everywhere.

Every app is tagged to the same concept frameworks taught in RSC classes and books, so you practise with the method you learned, not a new one.

Dashboards, not just drills.

Each app reports accuracy and time-per-question by sub-topic, so you can tell whether a weak score is a concept issue, a puzzle-type issue or a time-management issue.

Flagship of the Suite

CAT 100 Percentile: From Student to Strategist

The Strategist Protocol

The capstone of the suite. It treats CAT as a decision problem: what to attempt, when to leave, and how to build preparation as a repeatable process rather than a collection of chapters. Every other book feeds into the framework it sets out.

Books · ₹199 each

Choose individual books or the complete suite.

QUANT SYSTEMS

Foundation Engine

Numbers Base System

Build the numerical bedrock every other Quant topic stands on.

₹199

QUANT SYSTEMS

Divisor Code

Number Theory

Read divisibility, remainders and cyclicity as patterns, not tricks.

₹199

QUANT SYSTEMS

Percent Lens

Percentages

Turn every change into a base-and-multiplier decision.

₹199

QUANT SYSTEMS

Proportion Matrix

Ratio, Proportion & Variation

Link quantities structurally and solve them in one frame.

₹199

QUANT SYSTEMS

Margin Logic

Profit, Loss & Discount

Treat every transaction as a chain of multipliers.

₹199

QUANT SYSTEMS

Compounding Core

Interest (SI/CI)

See growth as one repeatable multiplier.

₹199

QUANT SYSTEMS

Motion Framework

Time, Speed & Distance

Model any movement with ratios and relative speed.

₹199

QUANT SYSTEMS

Output Engine

Time & Work (with Pipes)

Convert every work problem into units of output.

₹199

QUANT SYSTEMS

Blend Architecture

Mixtures & Alligation

Resolve any blend through one weighted-average view.

₹199

QUANT SYSTEMS

Equation Command

Equations for CAT & GMAT

Set up, reduce and solve without algebraic clutter.

₹199

QUANT SYSTEMS

Curve Sense

Functions & Graphs

Read behaviour from the shape before you compute.

₹199

QUANT SYSTEMS

Exponent Systems

Progressions, Logarithms, Surds & Indices

Master the shared language of sequences and exponents.

₹199

QUANT SYSTEMS

Spatial Proof

Geometry

Build the figure, find the relation, close with logic.

₹199

QUANT SYSTEMS

Measure Map

Mensuration

Turn shapes into reliable area and volume decisions.

₹199

QUANT SYSTEMS

Count Logic

Permutation & Combination

Choose the counting structure before the formula.

₹199

QUANT SYSTEMS

Chance Framework

Probability

Quantify uncertainty through clean sample-space thinking.

₹199

Your preparation, your combination

Preparation advisor

Please leave out phone numbers, passwords and other personal details.

AI-powered advice, not a guarantee of results. Review your selection before purchasing.

What's Inside

Books
34
All available
Series
5
Quant · DILR · VARC · OMET · Strategy
Format
Digital
Delivery
Sections
Quant · DILR · VARC
Covered

How the suite is organised

The suite is organised in layers. Three section systems (Quant, DILR, VARC) build concepts in dependency order. The OMET and Speed layer trains execution under time. The Strategy and Capstone layer turns knowledge into exam decisions.

Take your preparation further

One ecosystem. Choose your next layer.

Book Suite ₹4,999 + UPS upgrade ₹3,400 = ₹8,399 total. Test Series included.

RSC Test Series

30% off

Mock tests, sectional tests, topic tests and PYQs for CAT and OMET exams, online with detailed analytics. Covers CAT, XAT, NMAT, SNAP, CET Mah, IRMA, IIFT, ATMA and MAT.

Standalone Test Series · no Book Suite required

₹2,099₹2,999

Unified Preparatory System (UPS)

30% off

Micro-lectures within every topic, followed by key takeaways, detailed notes and 3 test questions. AI maps your preparation, builds and rebuilds your schedule, and gives mentor-like insight on your preparation level. Includes the full App Suite, Book Suite and Test Series.

Book Suite and Test Series included free with UPS

Access valid through the CAT 2027 cycle

₹8,399₹11,999

₹3,400 extra with the ₹4,999 Book Suite · ₹8,399 total

Everything inside UPS

The Unified Preparatory System, feature by feature

Test Series, the full App Suite and the complete digital Book Suite — with a learning system around them.

Live classes + recorded lectures
Learn from experienced faculty, then revise anytime.
Smart Study Plan
A daily plan built around your goals, with a Next Best Action every time you log in.
Daily targets and Recovery mode
Fell behind? Your backlog turns into a catch-up plan.
Practice that builds speed
Daily Quant Questions, Weekly Puzzles and topic-wise modules.
CAT-level mocks, sectionals and topic tests
Full test series with detailed solutions.
Deep performance analytics
See exactly where your marks come from and where they leak.
Personalised improvement plan
Your results decide what you study next.
Mentorship and doubt-solving
A real mentor guiding you, backed by technology.
Leaderboards, streaks and rewards
Prepare alongside toppers and stay consistent.
College Predictor
Know where your percentile can take you.
Simplified and Power views
One platform that fits a beginner and a serious topper alike.
One ecosystem
Learning app, test series app and practice modules working together.

CAT 2027 preparation, built around a repeatable system.

Learn, practise, analyse and improve with one connected preparation loop.

Access valid through the CAT 2027 cycle

Book Suite and Test Series included free with UPS

Pricing

The RSC Complete Book Suite

₹4,999

Book Suite and Test Series included free with UPS

Inclusive of GST.

  • 34 books
  • 5 series
  • The flagship: CAT 100 Percentile
Rahul Singh, founder of Rahul Sir Classes

About Rahul Sir

Rahul Singh

Mentor and system architect

“Students don't fail from lack of effort. They fail from lack of structure and systems.”

RSC is an All-India, online-only CAT and OMET preparation ecosystem, built from the first batch as a national-level mentoring and systems operation. We are mentor-led and system-driven: every class, test and piece of content lives inside a designed structure, with repeatable decision frameworks to direct your effort.

  • Systems
  • Processes
  • Decision frameworks
Live + recorded classes
Mentor-led sessions across Quant, Verbal, DILR and strategy.
Notes & books
Structured material built around named, repeatable frameworks.
Test Series
Full-length and sectional mocks with performance analytics.
App Suite
Focused practice modules for DI, RC, Grammar, Quant speed and more.
Mentorship
One-on-one guidance on strategy, applications and GD-PI readiness.

FAQ

Questions, answered.

One system. Learn, practice, analyze, improve. Start with the foundation.