Explanations:The northern plains of India are a significant geographical feature that plays a crucial role in the country's agriculture and economy. These plains are formed by the alluvial deposits of the Indus, Ganges, and Brahmaputra rivers. The northern plains extend from the Indus River in the west to the Brahmaputra River in the east, covering a vast area of the northern part of India.
The northern plains are divided into three main sections: the Punjab Plain, the Ganga Plain, and the Brahmaputra Plain. The Punjab Plain is located in the western part of the northern plains and includes the states of Punjab, Haryana, and parts of Rajasthan. The Ganga Plain is the largest section and includes the states of Uttar Pradesh, Bihar, and parts of West Bengal. The Brahmaputra Plain is located in the eastern part of the northern plains and includes parts of Assam.
Arunachal Pradesh, on the other hand, is located in the northeastern part of India and is not part of the northern plains. It is a mountainous state with a diverse topography, including the Himalayan ranges. The state is known for its rich biodiversity and is not characterized by the alluvial plains that are typical of the northern plains region.
Understanding the geographical distribution of Indian states and their respective regions is essential for comprehending the country's physical geography. The northern plains are a significant agricultural region, supporting a large population and contributing significantly to the country's food production. Arunachal Pradesh, being a northeastern state, has a different geographical and climatic profile, which distinguishes it from the northern plains.