Name six major physiographic divisions of india
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Objectives and Goals:
1. The Physical features of India.
2. Theory of Plate Tectonic.
3. Three types of plate boundaries (i.e. Convergent Boundary, Divergent Boundary and Transform Boundary).
4. The Continental Drift Theory.
5. Formation of India.
6. The major physiographic divisions of India (i.e. The Himalayan Mountains, The Northern Plains, The Peninsular Plateau, The Indian Desert, The Coastal Plains, and The Islands).
7. The great Himalayas, three parallel ranges in its longitudinal extent (i.e. The Great or Inner Himalayas or Himadri, The Lesser Himalaya or Himachal and The Shiwaliks).
8. Some of the highest peaks of Himalayas.
9. Division of Himalayan regions from west to east (i.e. Punjab Himalayas, Kumaon Himalayas, Nepal Himalayas and Assam Himalayas).
10. Eastern hills and mountains (i.e. Patkai Hills, Naga Hills, Manipuri Hills and Mizo Hills).
11. The Northern Plains, three sections of Northern Plain (i.e. Punjab Plains, Ganga Plains and Brahmaputra Plains).
12. Division of northern plain on the basis of relief features; divided into four regions (i.e. Bhabar, Terai, Bhangar and Khadar).
13. The Peninsular Plateau, which is broadly divided into two regions (i.e. The Central Highlands and The Deccan Plateau).
14. Western and Eastern Ghats.
15. Indian Desert.
16. Coastal Plain of India (i.e. The Eastern and Western Coastal Plains).
17. Islands of India (i.e. Lakshadweep Islands and Andaman and Nicobar Islands).
Theory of Plate Tectonics:
The continental blocks or the plates are floating on mantle.
The Crust (upper part) of the earth has been formed out of seven major and some minor plates. Following are the seven major plates: -
African Plate
Antarctic Plate
Eurasian Plate
Indo-Australian Plate
North American Plate
Pacific Plate
South American Plate
They move with the change or release of pressure and temperature inside the earth.
Folding: Caused by compression, when blocks of landforms comes closer to each other, they form wrinkles or folds on the earth's surface. E.g. the young fold mountains "Himalayas".
Faulting: The structure of rocks cracks or breaks along the weaker areas due to tension, this is called faulting. This may cause upliftment and subsidence of land and can form Block Mountains. E.g. Vindhyas and Satpura hills.
When a part of land subsides between two faults, it forms Rift Valley. Narmada & Tapti Rivers flow through the rift valley.
Volcanic Activities: Natural openings in the earth's crust through which molten materials, rocks, ashes, gases, etc are thrown out are called 'Volcanoes'.
Theory of Plate Tectonics:
Plate movements are of three types:
1. Convergent Boundary: In this case, the two adjacent tectonic plates move towards each other.
2. Divergent Boundary: In this case, the two adjacent plates move away from each other.
3. Transform Boundary: In this case, the two adjacent plates move along their borders.

Continental Drift Theory:
According to the theory of Continental Drift, the world was made up of a single continent through most of geologic time. That continent eventually separated and drifted apart, forming into the seven continents we have today. The first comprehensive theory of continental drift was suggested by the German meteorologist Alfred Wegener in 1912.
Million of year also there was a single continent named "Pangaea". Pangaea broke into pieces due to internal forces and is drifting away from each other since last almost 250 million years.
Two landmasses – "Laurasia in North" and "Gondwanaland in South".
Both the landmasses were separated by a shallow sea called "Tethys Sea".
Size of Tethys sea kept on decreasing due to movement of landmasses towards each other, thus, resulting in the formation of the young fold mountains "Himalayas".
Formation of India
The Indian Peninsula drifted towards the north and finally collided with the much larger Eurasian Plate.
As a result of this collision, the sedimentary rocks which were accumulated in the geosynclines (known as Tethys) got folded and formed the mountain systems of the West Asia and Himalaya
Due to the uplift of the Himalayas in the Tethys Sea, the northern part of the Indian Peninsula got subsided and formed a large basin. That basin was filled with sediments from the rivers which came from the mountains in the north and from the peninsula in the south.
Thus, the northern plains of India came into existence. These plains are made up of alluvial deposits.
The peninsular plateau is known as the old topography, whereas the Himalayas and the Northern plains are considered as new topography.
The peninsular plateau is composed of igneous and metamorphic rocks with gently rising hills and wide valleys.
1. The Physical features of India.
2. Theory of Plate Tectonic.
3. Three types of plate boundaries (i.e. Convergent Boundary, Divergent Boundary and Transform Boundary).
4. The Continental Drift Theory.
5. Formation of India.
6. The major physiographic divisions of India (i.e. The Himalayan Mountains, The Northern Plains, The Peninsular Plateau, The Indian Desert, The Coastal Plains, and The Islands).
7. The great Himalayas, three parallel ranges in its longitudinal extent (i.e. The Great or Inner Himalayas or Himadri, The Lesser Himalaya or Himachal and The Shiwaliks).
8. Some of the highest peaks of Himalayas.
9. Division of Himalayan regions from west to east (i.e. Punjab Himalayas, Kumaon Himalayas, Nepal Himalayas and Assam Himalayas).
10. Eastern hills and mountains (i.e. Patkai Hills, Naga Hills, Manipuri Hills and Mizo Hills).
11. The Northern Plains, three sections of Northern Plain (i.e. Punjab Plains, Ganga Plains and Brahmaputra Plains).
12. Division of northern plain on the basis of relief features; divided into four regions (i.e. Bhabar, Terai, Bhangar and Khadar).
13. The Peninsular Plateau, which is broadly divided into two regions (i.e. The Central Highlands and The Deccan Plateau).
14. Western and Eastern Ghats.
15. Indian Desert.
16. Coastal Plain of India (i.e. The Eastern and Western Coastal Plains).
17. Islands of India (i.e. Lakshadweep Islands and Andaman and Nicobar Islands).
Theory of Plate Tectonics:
The continental blocks or the plates are floating on mantle.
The Crust (upper part) of the earth has been formed out of seven major and some minor plates. Following are the seven major plates: -
African Plate
Antarctic Plate
Eurasian Plate
Indo-Australian Plate
North American Plate
Pacific Plate
South American Plate
They move with the change or release of pressure and temperature inside the earth.
Folding: Caused by compression, when blocks of landforms comes closer to each other, they form wrinkles or folds on the earth's surface. E.g. the young fold mountains "Himalayas".
Faulting: The structure of rocks cracks or breaks along the weaker areas due to tension, this is called faulting. This may cause upliftment and subsidence of land and can form Block Mountains. E.g. Vindhyas and Satpura hills.
When a part of land subsides between two faults, it forms Rift Valley. Narmada & Tapti Rivers flow through the rift valley.
Volcanic Activities: Natural openings in the earth's crust through which molten materials, rocks, ashes, gases, etc are thrown out are called 'Volcanoes'.
Theory of Plate Tectonics:
Plate movements are of three types:
1. Convergent Boundary: In this case, the two adjacent tectonic plates move towards each other.
2. Divergent Boundary: In this case, the two adjacent plates move away from each other.
3. Transform Boundary: In this case, the two adjacent plates move along their borders.

Continental Drift Theory:
According to the theory of Continental Drift, the world was made up of a single continent through most of geologic time. That continent eventually separated and drifted apart, forming into the seven continents we have today. The first comprehensive theory of continental drift was suggested by the German meteorologist Alfred Wegener in 1912.
Million of year also there was a single continent named "Pangaea". Pangaea broke into pieces due to internal forces and is drifting away from each other since last almost 250 million years.
Two landmasses – "Laurasia in North" and "Gondwanaland in South".
Both the landmasses were separated by a shallow sea called "Tethys Sea".
Size of Tethys sea kept on decreasing due to movement of landmasses towards each other, thus, resulting in the formation of the young fold mountains "Himalayas".
Formation of India
The Indian Peninsula drifted towards the north and finally collided with the much larger Eurasian Plate.
As a result of this collision, the sedimentary rocks which were accumulated in the geosynclines (known as Tethys) got folded and formed the mountain systems of the West Asia and Himalaya
Due to the uplift of the Himalayas in the Tethys Sea, the northern part of the Indian Peninsula got subsided and formed a large basin. That basin was filled with sediments from the rivers which came from the mountains in the north and from the peninsula in the south.
Thus, the northern plains of India came into existence. These plains are made up of alluvial deposits.
The peninsular plateau is known as the old topography, whereas the Himalayas and the Northern plains are considered as new topography.
The peninsular plateau is composed of igneous and metamorphic rocks with gently rising hills and wide valleys.
Answered by
4
1. The Himalayas
2.The North Indian Plains
3.The Peninsula
4.Coastal Plains
5.Island groups
6.The Ghats
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2.The North Indian Plains
3.The Peninsula
4.Coastal Plains
5.Island groups
6.The Ghats
Hope it's helpful mate!!
Plz mark...
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