The Indo-Gangetic Plain, nke a makwaara dị ka Indus-Ganga Plain na North Indian River Plain, bụ 630-million-acre (2.5-million km2) ala dị larịị nke na-ekpuchi mpaghara ugwu nke mpaghara India, gụnyere ọtụtụ n'ebe ugwu na ọwụwa anyanwụ India, akụkụ ọwụwa anyanwụ nke Pakistan, ihe fọrọ nke nta ka ọ bụrụ Bangladesh niile na ndịda nke Nepal. A na-akpọ mpaghara ahụ n'ihi osimiri Indus na Ganges ma na-ekpuchi ọtụtụ obodo mepere emepe. Ala dị larịị na-aga n'ebe ugwu site na Himalayas, nke na-enye ọtụtụ osimiri ya nri ma bụrụ isi iyi nke ala ọma na-emepụta ala na mpaghara ahụ site na usoro osimiri abụọ ahụ. Akụkụ ndịda nke Ala dị na Chota Plateau.
630-million-acre