
With JEE Main 2026 Session 2 starting from today (April 2-8), these days of preparation become extremely crucial for aspirants. At this stage, revision matters more than learning new topics. Focusing on high-weightage and frequently asked chapters can significantly improve accuracy and confidence. These notes highlight the most important topics to help students maximize their score and perform calmly in the exam.
Subject-wise revision helps in reducing confusion and improving clarity. Each subject has scoring areas that can be revised quickly and give guaranteed returns in the exam. Students should revise:
Formula-heavy chapters
NCERT-based theory topics
Chapters with repeated PYQ patterns
Below is a subject-wise breakdown of the JEE Mains 2026 most important topics to cover in the last 15 days
Mathematics requires regular touch, even in the final days. In JEE Main, questions are mostly direct and formula-based. Speed and accuracy matter more than lengthy calculations.
The most important mathematics topics to revise include:
Matrices and Determinants for direct formula questions
Limits, Continuity, and Differentiability for repeated concepts
Definite Integrals and Area Under Curve for standard problems
Coordinate Geometry including Straight Lines and Circles
Vectors and 3D Geometry for scoring questions
Probability and Statistics for simple calculations
Students should solve previous year questions again instead of new material. Revising short notes daily helps in retaining formulas. Among all subjects, Mathematics gives the highest return if revised properly during the JEE Mains 2026 most important topics to cover in the last 15 days.
Chemistry is the most scoring subject in JEE Main if NCERT is followed strictly. Many questions are directly lifted from NCERT lines, tables, and examples.
Important areas include:
Mole Concept and Stoichiometry
Chemical Kinetics
Electrochemistry
Solutions and Colligative Properties
Numerical questions are usually direct and calculation-based.
Students should revise:
General Organic Chemistry
Hydrocarbons
Alcohols, Phenols, and Ethers
Carbonyl Compounds
Amines
Reaction mechanisms and name reactions must be revised from short notes.
This section depends fully on memory. The most important topics are:
Periodic Table and Trends
Chemical Bonding
Coordination Compounds
p-Block Elements
d- and f-Block Elements
In Chemistry, focusing on NCERT revision makes it one of the strongest areas in the JEE Mains 2026 most important topics to cover in the last 15 days.
Physics revision in the final phase should focus on concept clarity and formula application. Avoid heavy derivations at this stage.
The most important Physics topics include:
Current Electricity and Capacitors
Modern Physics (Photoelectric Effect, Atoms, Nuclei)
Semiconductor Devices
Laws of Motion and Work Energy Power
Electrostatics and Magnetism
Optics (Ray and Wave Optics)
Modern Physics and Semiconductor alone can give 4–6 easy questions. This makes Physics a strong contributor during the JEE Mains 2026 most important topics to cover in the last 15 days.
Preparation strategy matters more than the number of hours studied. These final days should be calm and planned.
Students should focus on:
Revising formulas daily from short notes
Solving one mock test every alternate day
Analyzing mistakes instead of over-attempting tests
Revising NCERT Chemistry line by line
Sleeping properly to maintain concentration
Avoid comparing scores with others. Your improvement matters more than rank prediction.
This disciplined approach makes the JEE Mains 2026 most important topics to cover in the last 15 days truly effective.
Many students lose marks due to panic and poor planning. Avoid:
Studying late nights before the exam
Ignoring mock test analysis
Switching books repeatedly
Learning new chapters under pressure
Staying calm is as important as revision while handling the JEE Mains 2026 most important topics to cover in the last 15 days.