DataOrigin/ncert-lectures-india

---
license: other
task_categories:
- audio-classification
- automatic-speech-recognition
language:
- en
- hi
- bn
- ta
- te
- ml
- mr
- or
- as
- pa
tags:
- ncert,
- education,
- india,
- upsc,
- humanities,
- recorded-lectures,
- government-exams,
- science,
- long-form-audio
pretty_name: NCERT Lectures India
size_categories:
- 1K<n<10K
# NCERT Lectures India

## Dataset Description

A large-scale collection of recorded lectures covering NCERT curriculum
across Science and Humanities streams, specifically designed for government
exam preparation including UPSC, SSC, and State PSC examinations. Produced
by Prepp, India's largest government exam preparation platform, operated by
Collegedunia Web Private Limited.

## Dataset Summary

- **Total duration:** 5,100 hours of recorded lectures
- **Content type:** Structured curriculum lectures covering NCERT Science
and Humanities
- **Exam relevance:** UPSC Civil Services, SSC, State PSC, Railways,
Banking, and all major government competitive examinations
- **Curriculum:** Full NCERT coverage — Classes 6 through 12, Science
and Humanities streams
- **Chapters available:** History Ch-1, Ch-2, Ch-3 (samples)
- **Languages:** Hindi and English primary; regional language variants available
- **Format:** Audio/Video with structured chapter-by-chapter delivery

## Sample Data

Three sample lectures are available in this repository:
- History Chapter 1 — The Early Societies
- History Chapter 2 — Early Economies and Empires
- History Chapter 3 — Political and Economic History

## Key Features

- **NCERT-aligned:** Follows official NCERT curriculum chapter structure
exactly — high-value signal for Indian education AI models
- **Government exam optimised:** Content structured specifically for
competitive exam preparation — includes emphasis patterns, important
facts, and exam-relevant framing that general educational content lacks
- **Long-form audio:** 5,100 hours of continuous structured lecture audio —
one of the largest Indic long-form educational audio datasets available
- **Subject breadth:** Covers History, Geography, Polity, Economics,
Science, and Environment across multiple NCERT grades
- **High information density:** Unlike casual educational content,
government exam lectures are dense with factual content —
valuable for knowledge-intensive LLM training

## Intended Uses

- Training automatic speech recognition (ASR) models for Hindi and
Indic languages in educational domain
- Long-form audio understanding model development
- Knowledge-intensive question answering model training
- Indian history, geography, and polity domain model fine-tuning
- Government exam preparation AI development
- Curriculum-structured audio dataset for educational AI research

## Why This Dataset Is Unique

Government exam preparation content is structurally different from
general educational content. It is optimised for information retention,
fact density, and conceptual clarity under exam conditions. No comparable
large-scale structured dataset exists for Indian government exam preparation
content in audio format.

## Data Collection and Rights

All content is proprietary, produced by Prepp's in-house faculty team
of government exam subject matter experts. Content is curriculum-mapped
to NCERT chapter structure and ethically sourced under work-for-hire
agreements. Full dataset licensing is available for commercial AI
training purposes.

## Licensing and Commercial Access

This repository contains sample data only. The full dataset of 5,100
hours of NCERT lecture recordings is available for commercial AI
training licensing.

**For licensing inquiries contact:**
Ankit Dubey — Head of AI Data Partnerships, Collegedunia
[e-mail]

## Dataset Curator

[Collegedunia Web Private Limited](https://collegedunia.com) |
[Prepp](https://prepp.in)

Gurugram, Haryana, India