Indian Geography Notes Book PDF Free Download
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Physiographic Division of Indian
India can be divided into six physiographic regions.
- 1) The Northern Mountains (The North and North-eastern Mountains)
- 2) The Peninsular Plateau
- 3) Indo Gangetic Plains
- 4 Indian Deserts
- 5) The Coastal Plains (East & West)
- 6) Island
1) The Northern Mountains (The North and North-eastern Mountains)
- The Himalayas consist of a series of parallel mountain ranges.
- The general orientation of these ranges is from northwest to the southeast direction in the north western part of India
- Himalayas in the Darjeeling and Sikkim regions lie in an east west direction
- While in Arunachal Pradesh they are from southwest to the northwest direction
- In Nagaland, Manipur and Mizoram, they are in the north south direction
- The approximate length of the Great Himalayan range, also known as the central axial range, is 2,500 km from east to west
- Their width varies between 160-400 km from north to south.
- Himalayas are not only the physical barrier; they are also a climatic, drainage and cultural divide.
On the basis of relief, alignment of ranges, and other geomorphologic features the
The Himalayas can be divided into the following sub-divisions
(i) Kashmir or North-western Himalayas
(ii) Himachal and Uttaranchal Himalayas
(iii) Darjeeling and Sikkim Himalayas
(iv) Arunachal, Himalayas
(v) Eastern Hills and Mountain
The Indian Monsoon
- The monsoons are experienced in the tropical area roughly between 20° N and 20° S.
- To understand the mechanism of the monsoons, the following facts are important. The differential heating and cooling of land and water creates low pressure on the landmass of India while the seas around experience comparatively high pressure.
(b) The shift of the position of Inter-Tropical Convergence Zone (ITCZ) in summer, over the Ganga plain (this is the equatorial trough normally positioned about 5°N of the equator- also known as the monsoon trough during the monsoon season).
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Indian Geography Notes PDF Free Download