Explanations:The Nagarjuna Sagar dam is a significant engineering marvel located in the Nalgonda district of Andhra Pradesh, India. It is built on the Krishna River, which is one of the major rivers in the Indian subcontinent. The dam is situated at the confluence of the river's two tributaries, the Koyna and the Tungabhadra, and is known for its massive reservoir and hydroelectric power generation capabilities.
The construction of the Nagarjuna Sagar dam began in 1955 and was completed in 1966. It is the world's largest man-made lake and the tallest masonry dam in the world. The dam serves multiple purposes, including irrigation, power generation, and flood control. The reservoir created by the dam is one of the largest in India, with a capacity of over 11.4 billion cubic meters of water.
The Krishna River, on which the dam is built, originates in the Western Ghats in Maharashtra and flows through the states of Karnataka and Andhra Pradesh before emptying into the Bay of Bengal. The river is a vital source of water for irrigation and drinking purposes for millions of people in these states. The Nagarjuna Sagar dam plays a crucial role in managing the water resources of the Krishna River basin, providing water for irrigation to a vast area of agricultural land and generating electricity for the region.
Understanding the location and significance of the Nagarjuna Sagar dam is important for students preparing for competitive examinations, particularly those related to geography and general knowledge. The dam is a notable landmark in Andhra Pradesh and is often featured in questions related to the state's geography and infrastructure.