Spanning a length of 4.8 kilometers, Hirakud Dam on the Mahanadi River in Odisha holds the title of the longest earthen dam in the world. Built in 1957, it was one of India’s first post-independence mega-projects. The dam forms the massive Hirakud Reservoir, which stretches over 55 kilometers. It plays a key role in flood control, irrigation, and hydroelectric power generation for eas... https://www.captureatrip.com/blog/biggest-dam-in-india