Solution:Bhakra-Nangal is a joint project of Haryana, Punjab and Rajasthan. It is the most important multipurpose project named after the two dams built at Bhakra and Nangal on the Satluj river.The Bhakra Nangal Project is one of the oldest development projects for river valleys established after the Independence of India. This project was operated by Sir Chhotu Ram, the minister of Punjab Revenue and the king of Bilaspur in 1944. This project got the consent of the Indian government on January 8, 1945.
The construction of this Dam was started in 1984 by Sir Louis Dane, the Lieutenant Governor of Punjab. Thereafter, this project was delayed and started again under the surveillance of Sir Rai Bahadur, the chief architect of Punjab.
This project was finished in 1963 and Jawaharlal Nehru, the Prime Minister of that time, dedicated the dam to the nation. The total cost of this project was approximately 245.28 crores INR and the total steel used in this project was approximately 101600 tonnes.