
Every NCERT textbook chapter, interactive and free
ncert.ai is a free, interactive companion to India's NCERT school textbooks, Class 1–12. Each chapter is an original explanation with simulations you can drag, quick checks that explain mistakes, MCQs and exercises with worked answers, and an AI tutor that answers from the page you're on and cites the section. English and Hinglish; Classes 1–5 get read-aloud picture stories and worksheets. 235 chapters live. Unofficial; not affiliated with NCERT.
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.