Class 12 Revision Videos & Mind Maps: Physics, Chemistry, Maths (2026)
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Why Class 12 Needs a Different Kind of Revision
More than 10 lakh students appear for JEE Main and over 20 lakh for NEET every year, and a large share of them are Class 12 students revising for boards at the same time. Missing a target score is rarely about weak understanding — it's usually about revision that doesn't hold up under exam pressure.
Understanding a Concept and Recalling It Are Different Skills
Pair every revision video with the NCERT Solutions for Class 12 Physics, Chemistry, and Maths to build both conceptual clarity and exam-level speed.
Reading a chapter once during preparation and recalling it accurately three months later under time pressure are two separate skills. Structured revision — active recall, spaced repetition, and visual summaries — closes that gap far more reliably than rereading the same notes again.
💡 Expert Tip by Saransh Gupta Sir: A well-designed revision video should never replace your first read of a chapter. It should compress your third or fourth read into 20-30 minutes, so your remaining time goes to solving previous year questions instead.
What Is the eSaral Class 12 Revision Series?
The eSaral Revision Series is a free collection of chapter-wise revision videos and matching mind maps for Physics, Chemistry, and Maths, built for Class 12 students preparing for boards alongside JEE Main, JEE Advanced, or NEET.
The Faculty Behind Class 12 Revision Videos
| Subject | Faculty | Credential |
|---|---|---|
| Physics | Saransh Gupta Sir | IIT Bombay, AIR-41 |
| Chemistry | Prateek Gupta Sir | IIT Bombay |
| Mathematics | N.K. Gupta Sir | IIT Kanpur |
These are the same faculty who teach at eSaral Gurukul, the institute's offline coaching center in Kota, making that same guidance available to Class 12 students online at no cost.
What Does Every Class 12 Revision Video Include?
- Important formulae and key concepts, chapter by chapter
- Short tricks and problem-solving shortcuts for numericals
- Worked examples based on previous year JEE and NEET questions
- A matching mind map for each chapter, built for five-minute recall
- Clear flags on which concepts are most frequently tested
Subject-wise Revision Videos and Mind Maps
Each subject's revision series is organised to match how CBSE, JEE, and NEET actually test it — not just how the NCERT textbook orders it.
Physics Revision: Formulae First
The Physics revision series covers Mechanics, Electrostatics, Current Electricity, Magnetism, Electromagnetic Induction, Optics, Modern Physics, Waves, and Thermodynamics. Every chapter's mind map summarises formulae, constants, and commonly tested traps on a single page.
Chemistry Revision: Three Branches, Three Approaches
- Physical Chemistry: Electrochemistry, Chemical Kinetics, and Solutions — numerical-heavy, formula-driven revision
- Organic Chemistry: Reaction mechanisms, named reactions, and isomerism — mind maps simplify reagent sequences
- Inorganic Chemistry: p-Block and d-Block elements, Coordination Compounds — periodic trends made visual
How Do Mind Maps Help With Organic Chemistry Specifically?
Organic Chemistry mind maps lay out reaction pathways and reagent sequences visually, connecting one reaction to the next rather than listing them as isolated facts. This visual structure makes it much easier to recall which reagent triggers which transformation during a timed exam.
Mathematics Revision: Chapter-Anchored, Not Formula-Dumped
The Maths revision series covers Calculus, Algebra, Coordinate Geometry, Vectors, and Three-Dimensional Geometry, with each video anchored to a specific chapter rather than a scattered list of formulas. This keeps revision aligned with how the actual paper — board or JEE — is structured.
How to Use Mind Maps for Maximum Retention
A mind map compresses a full chapter onto a single page by grouping related formulae and concepts visually, which is why it works faster than traditional notes for last-minute revision.
Why Are Mind Maps More Effective Than Rereading Notes?
Mind maps activate visual memory by grouping information spatially instead of linearly, which makes an entire topic scannable in three to five minutes. Rereading linear notes takes far longer to trigger the same recall, especially under exam-day pressure.
Follow this three-step method for the best results:
- Active Recall First: Try to recall the chapter's formulae and concepts before looking at the mind map. Note what you genuinely can't remember.
- Fill Only the Gaps: Watch the revision video only for the specific concepts you missed — not the entire chapter again.
- Space Out Your Reviews: Revisit the same mind map after 2, 5, and 10 days. This spaced repetition is what makes the recall stick past exam day.
A 30-Day Revision Schedule for Class 12 Boards and JEE/NEET
| Week | Physics | Chemistry | Mathematics |
|---|---|---|---|
| Week 1 | Mechanics, Waves | Solutions, Electrochemistry | Differentiation, Integration |
| Week 2 | Electrostatics, Current Electricity | Organic Chemistry | Vectors, 3D Geometry |
| Week 3 | Optics, Modern Physics | Inorganic Chemistry | Coordinate Geometry |
| Week 4 | Mock Tests & Mind Map Revision | Mock Tests & Mind Map Revision | Mock Tests & Mind Map Revision |
- Study each subject for roughly 2-3 hours daily during Weeks 1-3.
- Watch the revision video first, then review the matching mind map immediately after.
- Reserve Week 4 entirely for mock tests and rapid mind map revision — no new topics.
- Avoid starting anything unfamiliar in the final week before an exam.
Revision Videos vs Rereading Textbooks
| Feature | eSaral Revision Series | Rereading Textbooks |
|---|---|---|
| Faculty | IIT Bombay & IIT Kanpur | Self-guided |
| Format | Video + Mind Map | Linear text |
| PYQ Integration | Included | Usually separate |
| Average Chapter Revision Time | 20-30 minutes | 60-90 minutes |
| Retention Aid | Visual, spaced repetition | Passive rereading |
| Cost | Free | Free |
Explore eSaral's JEE Online and Offline Courses, where this same revision series connects directly to full chapter study, previous year practice, and mock tests within the eSaral app.
Frequently Asked Questions
Find answers to common questions.
Where can I find free Class 12 revision videos and mind maps?
Free Class 12 revision videos and mind maps for Physics, Chemistry, and Maths are available on eSaral, created by Saransh Gupta Sir (IIT Bombay, AIR-41), Prateek Gupta Sir (IIT Bombay), and N.K. Gupta Sir (IIT Kanpur), and accessible through the website or the eSaral app
Are Class 12 revision videos enough for JEE and NEET preparation?
Revision videos work best as a rapid recall tool in the final weeks rather than a primary study resource. They should be combined with full chapter study, previous year question practice, and mock tests for complete JEE and NEET preparation.
Can Class 12 board students use these revision videos too?
Yes. The revision series is built on the NCERT syllabus as its foundation, making it directly relevant for board exam revision as well as JEE and NEET preparation, since both draw from the same core Class 12 concepts.
How are mind maps different from regular revision notes?
Mind maps present an entire chapter on one visual page by grouping related formulae and facts spatially, which activates visual memory. This makes a full topic scannable in three to five minutes, compared to much longer with linear written notes.
How should I use revision videos in the final month before my exam?
Use revision videos and mind maps for active recall and gap-filling during the first three weeks, then shift entirely to mock tests and rapid mind map review in the final week. Avoid starting any new topic once the last week begins.