Explanation: The question tests the geographical knowledge of major hydroelectric and irrigation projects in Andhra Pradesh and their associated rivers. The correct answer is (A) Nagarjuna Sagar: River Krishna.
Nagarjuna Sagar is a significant hydroelectric and irrigation project located on the River Krishna in Andhra Pradesh. The dam is one of the largest in the world and is a major source of power and irrigation for the region. The project was completed in 1966 and has been instrumental in the economic development of Andhra Pradesh.
The other options are incorrect for the following reasons:
- Option B: The Kararpara project is not associated with the River Kosi. The Kararpara project is located in West Bengal and is part of the Damodar Valley Corporation (DVC) system, which manages the Damodar River. The River Kosi is located in Bihar and is not associated with the Kararpara project.
- Option C: The Matatila project is not located on the Chambal River. The Matatila project is situated in Madhya Pradesh and is associated with the Narmada River. The Chambal River is a tributary of the Yamuna River and is located in Madhya Pradesh and Rajasthan.
- Option D: The Tawa project is not located on the River Satlej. The Tawa project is located in Madhya Pradesh and is associated with the Tawa River, which is a tributary of the Narmada River. The River Satlej is located in Punjab and Himachal Pradesh and is not associated with the Tawa project.
Understanding the correct associations between these projects and their respective rivers is crucial for students preparing for competitive examinations related to Andhra Pradesh's geography and infrastructure.