Is Neptunevines completely free for UPSC and NCERT preparation?

Yes. All UPSC notes, NCERT summaries for Class 6–12, CBSE content, Virtual Lab access, mock tests and State PSC materials are 100% free. No subscriptions, no hidden fees, no paywalls ever.

Which competitive exams does Neptunevines cover?

Neptunevines covers UPSC Civil Services (Prelims and Mains GS Papers 1–4), NCERT Class 6–12, CBSE board preparation, and State PSC exams including Kerala PSC across India.

What is the Virtual Science Lab on Neptunevines?

The Virtual Lab is an interactive browser-based simulation environment for Physics, Chemistry, Biology and Geography. Students can run science experiments directly in the browser — no downloads needed.

Are NCERT and CBSE notes available for all classes?

Yes. Chapter-wise NCERT summaries for Class 6 through Class 12 covering History, Geography, Science, Economics and Political Science — complete foundation for UPSC Prelims, Mains and CBSE board examinations.

How is Neptunevines different from other UPSC websites?

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.

Interactive Simulations

Virtual Science Laboratory

Browser-based interactive experiments for Physics, Chemistry, Biology, Electronics and Geography. Aligned with NCERT Class 9–12 textbooks and UPSC Visual Study.

Physics

Mechanics & Waves

Optics Bench Convex Lens Sonometer Meter Bridge Kinematics Dynamics Work & Energy Momentum Oscillations Rotation Refractive Index Heat Transfer Potentiometer Reflection

Chemistry

Reactions & Analysis

Titration Exothermic Rxn Iodine Clock Calorimetry Chromatography Surface Chem Emulsifying Agents

Biology

Genetic Processes

Gametogenesis Pollen Germ Pollen Growth

Electronics

Semiconductors

Zener Diode NPN Transistor PN-Junction

Featured: Geography Lab

Indian Monsoon Mechanism

Visualize India's complex monsoon system — South-West and North-East cycles, jet stream influence, and rainfall distribution. A core visual guide for UPSC Prelims and Mains Geography.

Run Simulation