What is common to the places known as Aliyar, Isapur and Kangsabati?

1. The question asks for a common feature among the places known as Aliyar, Isapur, and Kangsabati. 2. Aliyar is the site of the Aliyar Dam and Reservoir in Tamil Nadu, part of the Parambikulam Aliyar Project. 3. Isapur is the site of the Upper Painganga Dam, also known as the Isapur Dam, creating a large water reservoir on the Penganga river in Maharashtra. 4. Kangsabati refers to the Kangsabati Dam and Reservoir, part of the Kangsabati Irrigation Project on the Kangsabati River in West Bengal. 5. Therefore, the common feature to all three locations is that they are sites of significant Water reservoirs. 6. Options (A), (B), and (C) are incorrect as these locations are not primarily known for recent uranium deposits, extensive tropical rain forests, or major underground cave systems.