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

The common feature among the places Aliyar, Isapur and Kangsabati is that they are all known for their water reservoirs.

- Aliyar Reservoir is located in Aliyar village, Tamil Nadu. - Isapur Dam is an irrigation project in Maharashtra. - Kangsabati Dam is located on the Kangsabati River in West Bengal.