घनाब का पृष्ठीय क्षेत्रफल: जाल द्वारा

Whole-channel inclusion: Khan Academy India - Hindi medium is an honest teaching channel (title sample + 3 transcripts read: All three transcripts show structured curriculum-based teaching (biology concepts and probability worked example), consistent with genuine educational content.); this title passed a strict title check (sonnet) after a labelling pass.

A 6-minute video from Khan Academy India - Hindi medium: “घनाब का पृष्ठीय क्षेत्रफल: जाल द्वारा”.

Video by Khan Academy India - Hindi medium, played through YouTube's embedded player.