Consider the following rivers :
1. Brahmani
2. Nagavali
3. Subarnarekha
4. Vamsadhara
Which of the above rise from the Eastern Ghats?
2 and 4
Identifying Rivers Originating from the Eastern Ghats
This question asks us to identify which of the given rivers rise from the Eastern Ghats mountain range in India. Let's examine each river mentioned:
- Brahmani: The Brahmani River is formed by the confluence of two rivers, the Sankh and the South Koel. Both the Sankh and the South Koel rivers originate in the Chota Nagpur Plateau region, which is part of the Eastern Highlands, not the Eastern Ghats.
- Nagavali: The Nagavali River (also known as Langulya) is a major river in Odisha and Andhra Pradesh. It originates from the Lakhimpur plateau in the Eastern Ghats, located in the Kalahandi district of Odisha.
- Subarnarekha: The Subarnarekha River originates near Nagri village in the Ranchi district of Jharkhand. This region is part of the Chota Nagpur Plateau, not the Eastern Ghats.
- Vamsadhara: The Vamsadhara River (also known as Bansadhara) is another important river flowing through Odisha and Andhra Pradesh. It originates from the Durgakangar ridge of the Eastern Ghats, located in the Lanjigarh area of the Kalahandi district in Odisha.
Based on the origins, the Nagavali and Vamsadhara rivers rise from the Eastern Ghats, while the Brahmani and Subarnarekha rivers originate from the Chota Nagpur Plateau.
Let's summarize the origins in a table:
| River | Origin | Rises from Eastern Ghats? |
|---|---|---|
| Brahmani | Chota Nagpur Plateau (Confluence of Sankh & South Koel) | No |
| Nagavali | Eastern Ghats (Lakhimpur plateau) | Yes |
| Subarnarekha | Chota Nagpur Plateau (near Ranchi) | No |
| Vamsadhara | Eastern Ghats (Durgakangar ridge) | Yes |
From the analysis, rivers Nagavali (2) and Vamsadhara (4) originate from the Eastern Ghats.
Conclusion on Eastern Ghats Rivers
Therefore, the rivers from the given list that rise from the Eastern Ghats are Nagavali and Vamsadhara.
Revision Table: Rivers and Origins
| River Name | Origin Region | Major States Flowing Through |
|---|---|---|
| Brahmani | Chota Nagpur Plateau | Jharkhand, Odisha |
| Nagavali | Eastern Ghats | Odisha, Andhra Pradesh |
| Subarnarekha | Chota Nagpur Plateau | Jharkhand, West Bengal, Odisha |
| Vamsadhara | Eastern Ghats | Odisha, Andhra Pradesh |
Additional Information on Indian Rivers and Eastern Ghats
The Eastern Ghats are a discontinuous range of mountains along India's eastern coast. Several rivers flow through or originate from this range. Rivers originating in the Eastern Ghats typically flow eastwards into the Bay of Bengal.
Other significant rivers associated with the Eastern Ghats, though some might originate elsewhere but flow through them or receive tributaries from them, include the Mahanadi, Godavari, Krishna, Kaveri, and smaller rivers like the Rushikulya and Penna.
Understanding the origins of rivers is crucial for studying Indian geography, including drainage patterns, water resources, and regional topography. Rivers originating from different physiographic divisions like the Himalayas, Western Ghats, Eastern Ghats, and plateaus have distinct characteristics and flow paths.
2 and 4
Understanding Rivers Originating in the Eastern Ghats
The question asks us to consider the following rivers: 1. Brahmani, 2. Nagavali, 3. Subarnarekha, and 4. Vamsadhara and identify which ones originate from the Eastern Ghats. This type of question, which originates from eastern ghats pyq, is common in competitive exams like UPSC.
Let's examine the origin of each river listed:
Origin of the Brahmani River
The Brahmani River is a major interstate river in eastern India. It is formed by the confluence of two rivers, the Sankh and the South Koel, in the Sundargarh district of Odisha. The Sankh River originates near the border of Jharkhand and Chhattisgarh, while the South Koel River originates in the Chota Nagpur Plateau in Jharkhand. Therefore, the Brahmani River originates from the Chota Nagpur Plateau region, not typically considered part of the Eastern Ghats. Discussions around whether the brahmani river originates from eastern ghats or brahmani river rises from eastern ghats often arise due to its proximity to plateau regions near the ghats.
Origin of the Nagavali River
The Nagavali River, also known as Langulya, is an important river in Odisha and Andhra Pradesh. The nagavali river originates from the Eastern Ghats, specifically from the Lanjigarh area of the Kalahandi district in Odisha. It flows southeast before emptying into the Bay of Bengal near Kalingapatnam in Andhra Pradesh. The origin of the nagavali river clearly lies within the Eastern Ghats range.
Origin of the Subarnarekha River
The Subarnarekha River flows through the states of Jharkhand, West Bengal, and Odisha. It originates near Nagri village in the Chota Nagpur Plateau region, which is close to Ranchi in Jharkhand. Like the Brahmani, the Subarnarekha River's origin is in the Chota Nagpur Plateau, not the Eastern Ghats. Understanding the origin points like the subarnarekha river upsc pyq helps in differentiating river systems.
Origin of the Vamsadhara River
The Vamsadhara River is another significant east-flowing river. It originates from the Eastern Ghats, specifically from the hills of Kalyansinghpur in the Rayagada district of Odisha. It flows through Odisha and Andhra Pradesh before joining the Bay of Bengal. The Vamsadhara originates squarely within the Eastern Ghats, similar to the nagavali river.
Identifying Rivers Originating in Eastern Ghats
Based on the origin points discussed:
- Brahmani River: Originates from the Chota Nagpur Plateau.
- Nagavali River: Originates from the Eastern Ghats.
- Subarnarekha River: Originates from the Chota Nagpur Plateau.
- Vamsadhara River: Originates from the Eastern Ghats.
Thus, the rivers originating from the Eastern Ghats among the given options are the Nagavali and the Vamsadhara. This aligns with the expected patterns of eastern ghats river origin.
| River | Origin Region | Originates from Eastern Ghats? |
|---|---|---|
| Brahmani | Chota Nagpur Plateau (Confluence of Sankh & South Koel) | No (originates from Chota Nagpur Plateau, despite 'brahmani river upsc next ias' context sometimes linking it to nearby regions) |
| Nagavali | Eastern Ghats (Kalahandi district, Odisha) | Yes |
| Subarnarekha | Chota Nagpur Plateau (near Ranchi, Jharkhand) | No (subarnarekha river upsc pyq often focuses on its distinct basin) |
| Vamsadhara | Eastern Ghats (Rayagada district, Odisha) | Yes |
Therefore, the rivers from the list "consider the following rivers: 1. brahmani 2. nagavali 3. subarnarekha 4. vamsadhara" that rise from the Eastern Ghats are Nagavali (2) and Vamsadhara (4). This confirms the rivers originating in eastern ghat and brahmani river rises from eastern ghats is not accurate.
The correct option should include Nagavali and Vamsadhara.
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