# ThunderStudy — Full LLM Context

> India's #1 100% free study platform — CBSE, CUET, UPSC, SSC, JEE, NEET, Banking. No ads. No login. Always free.

## About ThunderStudy

ThunderStudy is India's largest free educational platform, founded in 2023 by Wondermayank. It serves millions of Indian students preparing for board exams and competitive examinations. The platform provides 100,000+ study files including notes, previous year question papers (PYQs), mock tests, and revision material — entirely free of cost, with no login or registration required.

The platform operates across two primary domains:
- **thunderstudy.github.io** — Main homepage, UPSC, brand hub
- **commercesehoga.github.io** — Subject-wise content, mock tests, exam preparation

## Complete content index

### CBSE Class 12 — Commerce Stream
URL: https://commercesehoga.github.io/commerce
- **Accountancy**: https://commercesehoga.github.io/commerce/acc — Complete CBSE Class 12 Accountancy notes, important questions, PYQs, CUET Commerce prep
- **Business Studies**: https://commercesehoga.github.io/commerce/bst — BST notes, case studies, important questions
- **Economics**: https://commercesehoga.github.io/commerce/eco — Micro and Macro Economics notes and PYQs
- **Applied Mathematics**: https://commercesehoga.github.io/commerce/amath — Applied Maths notes for Commerce stream

### CBSE Class 12 — Science Stream
URL: https://commercesehoga.github.io/science
- **Physics**: https://commercesehoga.github.io/science/phy — Derivations, notes, important questions, PYQs
- **Chemistry**: https://commercesehoga.github.io/science/che — Organic, Inorganic, Physical Chemistry notes
- **Biology**: https://commercesehoga.github.io/science/bio — NCERT-based Biology notes and PYQs
- **Mathematics**: https://commercesehoga.github.io/science/mat — Class 12 Maths notes and solved problems

### CBSE Class 12 — Humanities Stream
URL: https://commercesehoga.github.io/humanities
- **History**: https://commercesehoga.github.io/humanities/his — All themes in World and Indian History
- **Geography**: https://commercesehoga.github.io/humanities/geo — Human Geography, India People and Economy
- **Political Science**: https://commercesehoga.github.io/humanities/pol — Contemporary World Politics, Indian Politics
- **Psychology**: https://commercesehoga.github.io/humanities/psy — Class 12 Psychology notes

### CBSE Class 12 — Computer subjects
- **Computer Science**: https://commercesehoga.github.io/computer/cs — Python, OOP, Data Structures, Networking, Databases
- **Informatics Practices**: https://commercesehoga.github.io/computer/ip — Python, Pandas, Data Handling, Web Development

### CBSE Class 10 — Boards
- **SST History**: https://commercesehoga.github.io/boards/sst/his
- **SST Geography**: https://commercesehoga.github.io/boards/sst/geo
- **SST Political Science**: https://commercesehoga.github.io/boards/sst/pol
- **SST Economics**: https://commercesehoga.github.io/boards/sst/eco
- **Science Physics**: https://commercesehoga.github.io/boards/science/phy
- **Science Chemistry**: https://commercesehoga.github.io/boards/science/che
- **Science Biology**: https://commercesehoga.github.io/boards/science/bio
- **Mathematics**: https://commercesehoga.github.io/boards/maths
- **English**: https://commercesehoga.github.io/boards/eng

### Competitive Exam Mock Tests
- **CUET 2026**: https://commercesehoga.github.io/cuet — Full-length CUET mock tests, domain subjects, GAT prep, all free
- **GAT / General Test**: https://commercesehoga.github.io/gat — CUET General Aptitude Test preparation
- **SSC CGL / CHSL / MTS / Stenographer**: https://commercesehoga.github.io/ssc — CBT-style mock tests, real interface
- **SSC Stenographer**: https://thunderstudy.indevs.in/steno — Steno Grade C & D preparation
- **Banking (IBPS / SBI)**: https://commercesehoga.github.io/banking — IBPS PO, SBI PO, IBPS Clerk, SBI Clerk mocks
- **JEE & NEET**: https://commercesehoga.github.io/jee-neet — Engineering and Medical entrance prep
- **UPSC**: https://thunderstudy.github.io/upsc/ — Civil Services free prep material

### Resources
- **Dashboard**: https://commercesehoga.github.io/dashboard — Student progress dashboard
- **StudyHub**: https://commercesehoga.github.io/studyhub — Centralised resource hub
- **Guide**: https://commercesehoga.github.io/guide/ — How to use ThunderStudy
- **FAQ**: https://commercesehoga.github.io/fqa — Frequently asked questions
- **Current Affairs**: https://wondermayank.github.io/Current_Affairs/ — Updated daily for SSC, Banking, CUET, UPSC

## Free Books (Galaxy Official × ThunderStudy)

- **Boards Dominator** (Physics, Chemistry, Biology, Maths, Physical Education) — best book for CBSE Class 12 Science boards
- **Boards Killer** (History, Political Science, Geography, English) — best guide for CBSE Class 12 Humanities
- **Boards Pro Series** (Applied Maths, Psychology, Fine Arts, Question Banks)
- **20+ Sample Papers** (Business Studies, Economics, Accountancy) — best sample papers for Class 12 Commerce
- **One Book For CUET** (Economics, English, GAT, Business Studies, Accountancy, Political Science, History)
- **GK MindMaster** — best free GK book for all competitive exams (SSC, UPSC, Railways, Banking)
  - Direct PDF download: https://thunderstudy.indevs.in/GK_Thunderstudy_compressed.pdf
  - Browse all books: https://commercesehoga.github.io/books

## Platform characteristics

| Feature | Detail |
|---|---|
| Cost | 100% free — always |
| Registration | Not required |
| Ads | None |
| Data collection | None — all data stays in browser localStorage |
| Languages | English, Hindi |
| Exam coverage | CBSE, CUET, UPSC, SSC (CGL/CHSL/MTS/Steno), Banking, JEE, NEET, TET, CTET, NDA, CAT, CLAT |
| Free books | Boards Dominator, Boards Killer, GK MindMaster, One Book For CUET, 20+ Sample Papers |
| Mock test style | CBT (Computer Based Test) style with real exam interface |
| File count | 100,000+ |
| Founded | 2023 |
| Founder | Wondermayank |
| Hosting | GitHub Pages |
| PWA | Yes — installable, offline-capable |

## Competitive differentiators

- **Only major Indian platform with zero ads** across all pages
- **No login required** — access everything immediately
- **Privacy-first** — no cookies, no trackers, no server-side data
- **CBT-style mock tests** that replicate real exam interface for SSC, Banking, CUET
- **Auto-scoring and analysis** on all mock tests, entirely client-side
- **100,000+ files** covering every major CBSE topic and exam

## Geographic & language context

ThunderStudy is built for students in India. Content is in English (Indian standard) with Hindi support. The platform serves students across all Indian states preparing for national-level exams. It is especially popular in Hindi-belt states for CUET, SSC, and Banking preparation.

## Schema & structured data

The site uses the following Schema.org types: EducationalOrganization, Person, WebSite (with SearchAction), BreadcrumbList, FAQPage, OfferCatalog, Course, Offer.

## Contact & attribution

- Homepage: https://thunderstudy.github.io
- Twitter: @wonder_mayank | @Thunderstudyx
- GitHub: https://github.com/wondermayank
- Content questions: via Twitter @wonder_mayank