1. Eastern Plains Region: Extension - The region situated east of the 50 cm rainfall line in Rajasthan is known as the Eastern Plains Region. This region is formed by rivers, which is why it is called a river basin or region.

2. The eastern plain is mainly divided into three parts.

- Chambal River Basin

- Banas River Basin

- Mahi River Basin

1. The Indira Gandhi Canal is the main canal of Rajasthan. Its old name was "Rajasthan Canal". It flows in the northwestern part of Rajasthan state. It is also called Maruganga of Rajasthan.

2. Rajasthan Canal Board (present name Indira Gandhi Canal Board) was formed in the year 1958.

1. The state tree of Rajasthan is Khejri. This tree is found in about two-thirds of the total geographical area of the state and has great importance culturally and economically.

2. The scientific name of Khejri is Prosopis cinerea. It is a drought-tolerant tree that can survive even in areas with low rainfall. This tree is found in desert areas and is found in abundance in the Thar Desert of Rajasthan.

1. Chambal river is infamous for its 'badland'.

2. Elevated land with uneven surfaces located in semi-arid regions, on which sudden heavy rainfall causes rows of deep gullies to form and the entire land becomes rugged. Due to differential erosion, hard and resistant rocks are visible in the form of tall pillars or high flat land above the adjacent land. This land is unsuitable for animal husbandry and agriculture.