Indo-Gangetic Plain: 3 Divisions of the Ganga Plain in India are 1. The Upper Ganga Plain, 2. The Middle Ganga Plain, 3. The Lower Ganga Plain
This is the largest unit of the Great Plain of India stretching from Delhi to Kolkata in the states of Uttar Pradesh, Bihar and West Bengal covering an area of about 3.75 lakh sq. km. The Ganga is the master river after whose name this plain is named.
The general slope of the entire plain is to the east and south east.