Which of the following pair is not correctly matched? Irrigation Project River/ Tributary (A) Ban Sagar Project Son (B) Tawa Project Tawa (C) Pench Project Pench (D) Kolar Project Betwa
(D)
This question requires identifying the irrigation project that is incorrectly paired with its corresponding river or tributary. Understanding the geography of major irrigation projects in India and the rivers they utilize is key to answering this question correctly.
Let's examine each option to verify the association between the irrigation project and the river:
The Ban Sagar Project is a multipurpose river valley project under implementation on the Son River. The Son River is a major southern tributary of the Ganges River. Thus, this pair is correctly matched.
The Tawa Project is a major irrigation project located in Madhya Pradesh. It is built on the Tawa River, which is a tributary of the Narmada River. This pairing is correct.
The Pench Project is a joint irrigation and hydroelectric project of Madhya Pradesh and Maharashtra. It is located on the Pench River, a tributary of the Kanhan River. Therefore, this match is accurate.
The Kolar Project is an irrigation project located in the Sehore district of Madhya Pradesh. It is situated on the Kolar River. The Kolar River is a tributary of the Narmada River. The option pairs the Kolar Project with the Betwa River. The Betwa River is a tributary of the Yamuna River and flows through Madhya Pradesh and Uttar Pradesh, independent of the Kolar River system. Therefore, this pairing is incorrect.
The following table summarizes the projects and their respective rivers:
| Irrigation Project | River/Tributary (as per options) | Actual River | Correct Match? |
| Ban Sagar Project | Son | Son | Yes |
| Tawa Project | Tawa | Tawa | Yes |
| Pench Project | Pench | Pench | Yes |
| Kolar Project | Betwa | Kolar | No |
Based on the analysis, the Kolar Project is associated with the Kolar River, not the Betwa River. This makes option (D) the incorrectly matched pair.
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