🌐 Seas & straits
Bay of Bengal
Maps show India’s boundaries as officially depicted by the Government of India. Rivers, ranges and regions are drawn from Natural Earth’s public-domain data and are approximate.
The eastern arm of the Indian Ocean. About 77% of India’s drainage area — the Ganga, Brahmaputra, Mahanadi, Krishna and others — drains into it; most east-flowing rivers build deltas here.
📘 NCERT Class 11, India: Physical Environment, Ch. 3 (Drainage System) ↗
How we check: every fact is written from NCERT Class 11, India: Physical Environment (chapters 1–3), and our build fails unless key phrases from each passage are found in the chapter’s own text. Lengths, heights and areas are given only as NCERT gives them. Shapes come from Natural Earth’s public-domain physical data; features with no reliable map data are described but not drawn.