ECAT (Engineering College Admission Test) 3-Month Plan
A complete 90-day plan covering 68 highest-weightage topics — prioritised by subject weight, not alphabet. No signup, no fees.
- Days
- 90
- Topics
- 68
- Subjects
- 4
- Phases
- 3
Phase-by-phase plan
12 weeks totalA 90-day plan only works when you sequence it. Here is how the 3-Month Plan breaks down — foundation, depth, then mocks.
- 1
Foundation
4 weeksConcept pass across full syllabus
Subject-wise notesTopic-wise quizzesWeekly recaps - 2
Advanced + practice
4 weeksHigher-difficulty problems, PYQs
Last 5 years PYQsTopic-wise problem journalsWeak-topic drill - 3
Mock cycle + revision
4 weeks6-8 full-length mocks + per-mock analysis
Bi-weekly mocksFinal revision sheetLast-mile cheatsheets
Week-by-week schedule
| Week | Days | Topics covered |
|---|---|---|
| 1 | 1–7 | Physics: Kinematics (w5)Chemistry: Chemical Bonding and Molecular Structure (w5)Mathematics: Trigonometry: Identities and Equations (w5)English: Comprehension Passages (w5)Physics: Newton's Laws of Motion (w5)Chemistry: Stoichiometry and Chemical Calculations (w5) |
| 2 | 8–14 | Mathematics: Differentiation and Applications (w5)English: Vocabulary Building (w4)Physics: Electrostatics and Electric Field (w5)Chemistry: Atomic Structure and Periodic Table (w4)Mathematics: Integration and Definite Integrals (w5)English: Grammar: Parts of Speech (w4) |
| 3 | 15–21 | Physics: Current Electricity and Circuits (w5)Chemistry: Thermochemistry and Energetics (w4)Mathematics: Quadratic Equations and Inequalities (w4)English: Sentence Structure and Construction (w4)Physics: Geometrical Optics (w5)Chemistry: Chemical Equilibrium (w4) |
| 4 | 22–28 | Mathematics: Sequences, Series and Arithmetic Progression (w4)English: Tenses and Their Usage (w4)Physics: Work, Energy and Power (w4)Chemistry: Acids, Bases and Ionic Equilibrium (w4)Mathematics: Geometric Progression and Binomial Theorem (w4)English: Spotting Errors (w4) |
| 5 | 29–35 | Physics: Circular Motion and Gravitation (w4)Chemistry: Electrochemistry (w4)Mathematics: Trigonometry: Solutions of Triangles (w4)English: Sentence Completion and Fill in the Blanks (w4)Physics: Oscillations and SHM (w4)Chemistry: Organic Chemistry: Classification and Nomenclature (w4) |
| 6 | 36–42 | Mathematics: Straight Line and Coordinate Geometry (w4)English: Synonyms and Antonyms (w3)Physics: Wave Motion and Sound (w4)Chemistry: Alkanes, Alkenes and Alkynes (w4)Mathematics: Circle, Parabola, Ellipse and Hyperbola (w4)English: Active and Passive Voice (w3) |
| 7 | 43–49 | Physics: Heat, Temperature and Thermodynamics (w4)Chemistry: Aldehydes, Ketones and Carboxylic Acids (w4)Mathematics: Limits and Continuity (w4)English: Direct and Indirect Speech (w3)Physics: Magnetic Effects of Current (w4)Chemistry: States of Matter (Gases, Liquids, Solids) (w3) |
| 8 | 50–56 | Mathematics: Vectors in 2D and 3D (w4)Physics: Electromagnetic Induction (EMI) (w4)Chemistry: Chemical Kinetics (w3)Mathematics: Matrices and Determinants (w4)Physics: Wave Optics and Interference (w4)Chemistry: Periodic Properties and s-Block Elements (w3) |
| 9 | 57–63 | Mathematics: Probability and Permutations (w4)Physics: Modern Physics and Photoelectric Effect (w4)Chemistry: p-Block Elements (w3)Mathematics: Analytical Geometry: Lines and Conics (w4)Physics: Atomic Spectra and Bohr Model (w4)Chemistry: Transition Metals and Coordination Chemistry (w3) |
| 10 | 64–70 | Mathematics: Statistics and Data Analysis (w3)Physics: Fluid Statics and Dynamics (w3)Chemistry: Alcohols, Phenols and Ethers (w3)Mathematics: Complex Numbers (w3)Physics: Alternating Current (AC) (w3)Chemistry: Amines and Nitrogen Compounds (w3) |
| 11 | 71–77 | Mathematics: Exponential and Logarithmic Functions (w3)Physics: Nuclear Physics and Radioactivity (w3)Chemistry: Biomolecules and Polymers (w3)Mathematics: Partial Fractions (w3)Physics: Electronics and Semiconductors (w3)Mathematics: Differential Equations Basics (w3) |
| 12 | 78–84 | Physics: Measurement and Units (w2)Mathematics: Mathematical Induction (w2) |
Subject-wise topic split
Each topic shows its weightage (1–5 dots) and the concepts you'll cover. Higher-weight topics appear first.
Physics
20 topics- Kinematics ●●●●●
Describing motion using displacement, velocity, acceleration equations, and interpreting motion graphs.
- Newton's Laws of Motion ●●●●●
Applying Newton's three laws to solve problems involving forces, friction, tension, and acceleration.
- Electrostatics and Electric Field ●●●●●
Understanding Coulomb's law, electric fields, electric potential, and field lines around charges.
- Current Electricity and Circuits ●●●●●
Applying Ohm's law, Kirchhoff's laws, analysing complex circuits, and understanding emf and internal resistance.
- Geometrical Optics ●●●●●
Applying laws of reflection and refraction, lens and mirror formulas, and image formation in optical devices.
- Work, Energy and Power ●●●●○
Calculating work, kinetic and potential energy, power, and understanding energy conversion and conservation.
- Circular Motion and Gravitation ●●●●○
Studying centripetal force, angular velocity, orbital motion, and Newton's law of gravitation.
- Oscillations and SHM ●●●●○
Studying simple harmonic motion of pendulums and springs, period, frequency, and energy in oscillating systems.
- + 12 more topics on the full roadmap →
Chemistry
18 topics- Chemical Bonding and Molecular Structure ●●●●●
Studying ionic, covalent, and metallic bonding, VSEPR theory, hybridisation, and intermolecular forces.
- Stoichiometry and Chemical Calculations ●●●●●
Writing balanced equations, performing mole calculations, and solving quantitative stoichiometric problems.
- Atomic Structure and Periodic Table ●●●●○
Understanding electron configuration, quantum numbers, orbital shapes, and periodic trends in element properties.
- Thermochemistry and Energetics ●●●●○
Calculating enthalpy changes, understanding Hess's law, bond energies, and energy profile diagrams.
- Chemical Equilibrium ●●●●○
Understanding reversible reactions, equilibrium constants (Kp and Kc), and Le Chatelier's principle applications.
- Acids, Bases and Ionic Equilibrium ●●●●○
Understanding acid-base theories, pH calculations, buffer solutions, hydrolysis, and indicators.
- Electrochemistry ●●●●○
Understanding electrochemical cells, standard electrode potentials, electrolysis, and their industrial applications.
- Organic Chemistry: Classification and Nomenclature ●●●●○
Learning IUPAC naming conventions, functional groups, isomerism, and structural representation.
- + 10 more topics on the full roadmap →
Mathematics
20 topics- Trigonometry: Identities and Equations ●●●●●
Using trigonometric identities to simplify expressions and solving trigonometric equations within given intervals.
- Differentiation and Applications ●●●●●
Differentiating polynomial, trigonometric, exponential, and logarithmic functions and applying derivatives to practical problems.
- Integration and Definite Integrals ●●●●●
Integrating functions, evaluating definite integrals, and finding areas under curves using integration.
- Quadratic Equations and Inequalities ●●●●○
Solving quadratic equations by various methods and solving inequalities involving quadratic expressions.
- Sequences, Series and Arithmetic Progression ●●●●○
Finding nth terms and sums of arithmetic progressions and solving AP-related word problems.
- Geometric Progression and Binomial Theorem ●●●●○
Understanding GP terms and sums, and applying the binomial theorem for positive integer indices.
- Trigonometry: Solutions of Triangles ●●●●○
Applying sine rule, cosine rule, and area of triangle formulas to solve non-right-angled triangle problems.
- Straight Line and Coordinate Geometry ●●●●○
Finding equations of lines, distances, midpoints, angles between lines, and point-to-line distance formulas.
- + 12 more topics on the full roadmap →
English
10 topics- Comprehension Passages ●●●●●
Reading passages critically to answer literal, inferential, and evaluative questions with accuracy and speed.
- Vocabulary Building ●●●●○
Expanding vocabulary through root words, prefixes, suffixes, and using new words correctly in context.
- Grammar: Parts of Speech ●●●●○
Identifying and correctly using nouns, pronouns, verbs, adjectives, adverbs, prepositions, and conjunctions.
- Sentence Structure and Construction ●●●●○
Building grammatically correct sentences, avoiding fragments and run-ons, and varying sentence patterns.
- Tenses and Their Usage ●●●●○
Using all tenses accurately in simple, continuous, perfect, and perfect continuous forms in context.
- Spotting Errors ●●●●○
Identifying grammatical errors in sentences including subject-verb agreement, tense consistency, and word choice.
- Sentence Completion and Fill in the Blanks ●●●●○
Choosing the correct words to complete sentences using grammatical, contextual, and collocation cues.
- Synonyms and Antonyms ●●●○○
Identifying words with similar and opposite meanings to improve language precision and reading comprehension.
- + 2 more topics on the full roadmap →
Why a 90-day plan beats a 1,200-page prep book
| Dimension | Typical ECAT (Engineering College Admission Test) book | This 3-Month Plan |
|---|---|---|
| Time to start | Hours of reading before any study starts | Seconds — plan is already here |
| Personalisation | One-size-fits-all | Fits exactly your 90 days |
| Freshness | Printed months ago | Rebuilt every deploy · verified 2026-05-23 |
| Weightage signal | Author guess | Derived from last 5 years' papers |
| Cost | ₹500–2,500 | ₹0 |
| Sign-up required | Often (with a trial trap) | None |
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