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 southeastern part of Rajasthan is a plateau, which is known as the 'South-Eastern Plateau and Hadoti Plateau'. This is an extension of the Malwa plateau.

2. The average height of this area is 500 meters and there is an extension of mountain ranges in a semi-moon shape which are known as Bundi and Mukundwara hills respectively. Chambal River and its main tributaries Kalisingh, Parvan and Parvati rivers flow here, the plains created by them are suitable for agriculture.

3. Southern-Eastern Plateau Region (Hadoti Plateau) Main features -

- 11 per cent of the state's population lives in this area.

- South Eastern Plateau region is 9.6 per cent of the total area of the state.

-It extends to Bhilwara, Photo, Bundi, Jhalawar and Baran districts.

- This plateau part is the Sankranti region between the Aravalli and Vindhyachal mountains.

- In this region there is a mixture of lava rocks and Vindhya rocks.

1. Pind Mand Plain is situated in the Banas-Ban Ganga basin.

2. Pind Mand Plain: The mound-like part of the desert near Devgarh (Rajsamand) in the Aravalli mountain range is called Pind Mand Plain.

Major passes of Aravali mountain range in Rajasthan-

1. Dhebhar Naal – Udaipur

2. Kewra ki Naal- Udaipur

3. Phulwari Naal- Udaipur

4. Hathi Naal- Udaipur

5. Cord of elephant jaggery – Rajsamand

6. Pagalya/Jeelwa/Chirwa's canal - Rajsamand - Pali

7. Khamli Ghat / Kamli Ghat- Rajsamand

8. Goram Ghat- Rajsamand

1. Girwa: Due to the presence of hills all around Udaipur, the shape of Udaipur is like a saucer-like basin, which is called Girwa in the local language.

2. Desharo: The area between Jarga (Udaipur) and Raga (Sirohi) hills in Udaipur is called Desharo because it is always green.

3. Dewal/Mewal: Part between Dungarpur and Banswara.

4. Bhainsrodgarh Fort: Bhainsrodgarh Fort or Bhainsrod Fort is an ancient fort which is known as a major tourist destination in the state of Rajasthan, India.

1. The Bhagat movement took place on the Bhomat plateau spread in the Banswara and Dungarpur districts of Rajasthan.

2. This movement was started mainly by the farmers of the Bhil tribe.

3. Sarji Bhagat and Govind Guru started it together.

- In 1883 AD, Govind Giri established the Sampa Sabha, whose first session was held in 1903 AD. Born on the hills of Mangadh.

-In 1913, the Mewar Bhil Vahini opened fire on Ashwin Shukla Purnima, surrounded by a gathering on the hill of Mangarh, killing more than 1500 Bhils.

- Mewar Bhil Corps was established in Khairwada in 1841 AD.

4. Ashwin Shukla Purnima fair is held here even today.

1. The domed internal landform created by volcanic activity is called a batholith.

2. The process of volcanism includes the process from the formation of magma and gas in the Earth's interior to the formation of lava coming to the Earth's crust and the landforms resulting from it. The explosiveness of a volcano is determined based on the amount of silica in the magma.

3. Classification of volcanoes on the basis of activity -

- Active Volcano: Volcanoes from which lava, gas and fragmented materials are always coming out are called active volcanoes. Stromboli (Sicily), Etna (Italy), Cotopaxi (Ecuador), Barren Island (Andaman Nicobar, India) etc. are examples of active volcanoes.

- Dormant Volcano: This category includes those volcanoes which have not been active for years but can erupt at any time. This category includes Krakatau of Indonesia and Narcondam Island of Andaman.

- Dead Volcano: This category includes those volcanoes in which no eruption has taken place for thousands of years. Chimbarrazo of Ecuador and Kohsultan of Iran are its main examples.

1. Sevan grass grows widely in Jaisalmer district.

2. Found mainly in the dry areas of western Rajasthan in the country.

3. This grass can tolerate drought due to welldeveloped root-rhizomes system.

4. Due to which it grows easily in the sandy soil of areas with less rainfall.

5. Its fodder is digestive and nutritious for animals.