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Structured UPSC notes, NCERT & CBSE summaries, State PSC material and interactive virtual science labs — all completely free. Zero paywalls, forever.

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Three steps to exam readiness

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01

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02

Choose Your Exam

Browse UPSC, NCERT, CBSE or State PSC content — filtered by subject, class or GS paper. Find exactly what you need.

03

Learn, Experiment & Test

Study focused notes, run virtual science experiments and take timed mock tests to track your real progress.

Platform statistics

100+ Aspirants
50+ Free Notes
27 Lab Experiments
8 Subjects Covered
Interactive Feature

Don't just read science.
Experience it.

Browser-based simulations for Physics, Chemistry, Biology and Geography — visualise concepts through animated experiments. No downloads. Completely free for every UPSC and NCERT aspirant.

Enter Virtual Lab
Why Neptunevines

Built for every aspirant

NCERT notes, UPSC structure and virtual labs — the combination no other free Indian platform offers.

High-Yield, Exam-Focused Notes

Complex UPSC GS and NCERT topics broken into precise, exam-ready summaries for Prelims, Mains and CBSE boards — maximum retention, fast revision.

Interactive Virtual Science Lab

Visualise Physics, Chemistry, Biology and Geography through browser-based simulations — 27 experiments, see concepts instead of just memorising them.

100% Free — Always

Every note, quiz and lab experiment is free. UPSC, NCERT, CBSE, State PSC. No subscriptions, no paywalls. Continuously updated with new content and current affairs.

Community Reviews

What aspirants say

Real feedback from students preparing for UPSC, State PSC, NCERT and board exams across India.

"This is an excellent study website for students. The content is well-organized, easy to understand, and very helpful for learning concepts clearly. The explanations are simple and to the point, and the practice questions really help in improving understanding. The website is easy to use and works smoothly on mobile as well. It has saved me a lot of time and helped me study more effectively. I would definitely recommend this website to any student who wants to improve their studies."

"A great initiative, helpful notes and articles. Virtual lab is give more clarity on complex topics."

FAQ

Common questions

Everything you need to know before starting your UPSC, NCERT or CBSE preparation.

Yes — all UPSC notes, NCERT summaries, CBSE content, virtual labs and mock tests are 100% free. No subscriptions, no hidden fees, no paywalls. Create a free account and start immediately.
Neptunevines covers UPSC Civil Services (Prelims & Mains GS 1–4), NCERT Class 6–12, CBSE board preparation, and State PSC exams including Kerala PSC across India. Content is continuously expanded.
The Virtual Lab provides browser-based interactive simulations — Physics, Chemistry, Biology and Geography experiments you run directly in your browser. No downloads needed. Ideal for UPSC Science topics and NCERT practicals.
Yes. Chapter-wise NCERT summaries for Class 6–12 covering History, Geography, Science, Economics and Political Science — essential for both UPSC foundation and CBSE board examination preparation.
Neptunevines uniquely combines structured UPSC exam notes with interactive virtual science labs, covering NCERT, CBSE and State PSC — all in one free platform. No paywalls. Mobile-optimised. Continuously updated.
New UPSC notes, NCERT summaries, current affairs articles and virtual experiments are added regularly. Subscribe to the newsletter to be notified of every new addition.

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Free access to structured UPSC notes, NCERT summaries, CBSE content, virtual labs and mock tests — the complete toolkit for every Indian competitive exam.