INDIAN GEOGRAPHY

Detailed explanation-1: -The northern plains are formed of alluvial deposits. The peninsular plateau is composed of igneous and metamorphic rocks with gently rising hills and wide valleys.

Detailed explanation-2: -The northern plains are formed by the alluvial deposits of the three major river systems of the Indus, the Ganga and the Brahmaputra along with their tributaries. This plain is completely formed of alluvial soil. The plains are very fertile and are best suited for agriculture.

Detailed explanation-3: -(4) The Peninsular Plateau:-To the south of northern plains lies the Peninsular plateau.

Detailed explanation-4: -Indo-Gangetic Plain, also called North Indian Plain, extensive north-central section of the Indian subcontinent, stretching westward from (and including) the combined delta of the Brahmaputra River valley and the Ganges (Ganga) River to the Indus River valley.

Detailed explanation-5: -These plains have characteristic features of mature stage of fluvial erosional and depositional landforms such as sand bars, meanders, oxbow lakes and braided channels. Here, mouths of the rivers (Ganga and Brahmaputra) form some of the largest deltas of the world, for example, the famous Sunderbans delta.