The northern plains are one of the most important features of the physiography of india.
:- it has been performed by the 3 major river 1:Indus, 2:Ganga, 3:Brahmaputra .
:-The northern plain are about 2400 km long and 240 to 320 km broad.
:-It is the most densly populated physiography division .
:-Agriculturally it is the most productive area because of rich soil cover , odequate water supply and favourable climate.
:-The northern plains are classified into 4 sections due to the different relif : Bhabar , Terai , Bhangar , Khadar.