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India is a country of diversities, which can be also seen through its various geographical diversities. Due to such diversities, India has huge potential for construction of Dams and Reservoirs on the various rivers of the country. In the various government examinations such as UPSC, State PCS, Banks, Railways etc questions on Dams and Reservoirs are frequently asked under General Awareness section of the examination.

Here we are providing a list of important Dams and Reservoirs constructed across the country for the competitive examinations preparing aspirants. A brief details about the Dams and Reservoirs are as under:

What is a Dam?

A dam is a barrier that stops the flow of water and results in the creation of a reservoir. Dams are mainly built in order to produce electricity by using water. This form of electricity is known as hydroelectricity.

What are the Advantages of Dams and Reservoirs?

The major dams in India have helped the inhabitants in a number of ways like:-

• Provide water for irrigating, Hydroelectric power plants, human daily uses, or for use in industrial processes.
• Hydroelectric power production
• River navigation – it is the cheapest form of transportation.
• Reduces peak discharge of floodwater created by large storms or snow-melt.
• Dams Reservoirs are used for fishing and boating purpose, thus provide livelihood to many.
• They are useful to control the flow of river, helping in flood conditions.

Which is the longest Dam in India?

Hirakund Dam on Mahanadi river in Odisha is the longest in India. Total length is around 25.79 Km and built in 1953.

Which is the highest Dam in India?

Tehri dam on Bhagirathi river in Uttarakhand is the highest & largest in India. It is 260.5 meters in height and 575 meters in length.

Which is the oldest Dam in India?

Kallanai Dam on Kaveri river is the is the oldest in India. It was built by Karikala cholan of Chola Dynasty in 100 BC –100 AD.