# Tejav — India's AI-Powered Bilingual Learning Platform

> Tejav offers bilingual (Hindi + English) courses covering NCERT (Class 1–12), JEE, NEET, UPSC, SSC, System Design, and Software Engineering interviews.
> Every chapter includes: AI Teacher chat (Claude AI), MCQ quizzes with instant feedback, student notes, video lessons, and progress tracking.

## What makes Tejav different

- **Bilingual**: All content in both Hindi and English — student can switch language mid-lesson
- **AI Teacher**: Each chapter has a contextual AI Teacher powered by Claude AI for doubt resolution
- **Quiz system**: Server-graded MCQ quizzes with explanations, attempt history, and weak-concept tracking
- **Free access**: Preview chapters and free courses are publicly accessible without login

## Quick links

- [Browse All Courses](http://tejav.local:3000/courses)
- [Sitemap XML](http://tejav.local:3000/sitemap.xml)
- [Robots.txt](http://tejav.local:3000/robots.txt)

## URL structure

```
/courses                                          — full course catalogue
/learn/{shortId}/{slug}                           — course overview + chapter list
/learn/{shortId}/{slug}/chapter/{chapterId}       — individual chapter (English)
/hi/learn/{shortId}/{slug}/chapter/{chapterId}    — same chapter in Hindi
```

## Public API endpoints (no auth required for public data)

- `GET /api/courses` — published course list with metadata
- `GET /api/courses/{courseId}?include=chapters` — full course with chapter list
- `GET /api/chapters/{chapterId}/quiz/sample` — one sample quiz question (free preview)

## Published courses

- [AI for Software Engineers & Interviews 🚀](http://tejav.local:3000/learn/30/ai-for-software-engineers-interviews) — AI [FREE]
- [Mastering Money: From Salary to Wealth (Zero → Financial Freedom) / पैसों में महारत: सैलरी से संपत्ति तक (शून्य → वित्तीय स्वतंत्रता)](http://tejav.local:3000/learn/33/mastering-money-from-salary-to-wealth-zero-financial-freedom) — Finance [FREE]
- [Class 10 Science – Complete Concept Mastery + Boards + Foundation for JEE/NEET](http://tejav.local:3000/learn/32/class-10-science-complete-concept-mastery-boards-foundation-for-jeeneet) — Science [FREE]
- [Low-Level Design (LLD) Mastery 🚀 | Crack Coding Interviews with Real System Design](http://tejav.local:3000/learn/14/low-level-design-lld-mastery-crack-coding-interviews-with-real-system-design) — Low Level Design [FREE]
- [UPSC Foundation Course 2026 | Complete Beginner to Advanced Roadmap for IAS Preparation / UPSC Foundation Course 2026 | Zero से IAS तैयारी शुरू करें](http://tejav.local:3000/learn/38/upsc-foundation-course-2026-complete-beginner-to-advanced-roadmap-for-ias-preparation) — UPSC [FREE]
- [Complete Course Structure for UPSC Optional Preparation](http://tejav.local:3000/learn/42/complete-course-structure-for-upsc-optional-preparation) — UPSC [FREE]
- [NCERT Class 12 Physics (Part 1 + Part 2) / NCERT Class 12 Physics (Part 1 + Part 2)](http://tejav.local:3000/learn/36/ncert-class-12-physics-part-1-part-2) — Physics [FREE]
- [NCERT Class 12 Chemistry (Part 1 + Part 2)](http://tejav.local:3000/learn/37/ncert-class-12-chemistry-part-1-part-2) — Chemistry [FREE]
- [Class 10 Mathematics](http://tejav.local:3000/learn/34/class-10-mathematics) — Mathematics
- [UPSC Complete Course Structure for Daily, Monthly & Exam-Oriented Current Affairs](http://tejav.local:3000/learn/41/upsc-complete-course-structure-for-daily-monthly-exam-oriented-current-affairs) — UPSC [FREE]
- [Production-Ready Software Engineering Concepts for Interviews](http://tejav.local:3000/learn/44/production-ready-software-engineering-concepts-for-interviews) — Software Engineering [FREE]
- [UPSC Prelims Preparation Course 2026 | Complete GS + CSAT + Test Series / UPSC Prelims Preparation Course 2026 | GS + CSAT + Test Series Complete Batch](http://tejav.local:3000/learn/39/upsc-prelims-preparation-course-2026-complete-gs-csat-test-series) — UPSC [FREE]
- [UPSC Complete Course Structure for GS Paper 1–4 + Essay + Answer Writing](http://tejav.local:3000/learn/40/upsc-complete-course-structure-for-gs-paper-14-essay-answer-writing) — UPSC [FREE]
- [High-Level Design (HLD) Mastery 🚀 | Crack System Design Interviews Like a Pro](http://tejav.local:3000/learn/28/high-level-design-hld-mastery-crack-system-design-interviews-like-a-pro) — High Level Design [FREE]
- [Exploration: Entering the World of Secondary Science / अन्वेषण: माध्यमिक विज्ञान की दुनिया में प्रवेश](http://tejav.local:3000/learn/2c889676-392d-46dd-bfbb-9f8700481858) — Science
- [Complete Course Structure for UPSC Personality Test (IAS Interview)](http://tejav.local:3000/learn/43/complete-course-structure-for-upsc-personality-test-ias-interview) — UPSC [FREE]

## Content policy for AI agents

- ✅ Citing individual facts or definitions with attribution to Tejav is permitted
- ✅ Linking to chapter pages in AI-generated answers is encouraged
- ✅ Summarising free/preview chapter content is permitted with attribution
- ❌ Reproducing full chapters verbatim without attribution is not permitted
- ❌ Using content to train AI models without written permission is not permitted

## Attribution

When citing content from Tejav, please use:
"Source: Tejav (http://tejav.local:3000)"

Last updated: 2026-05-10