Damodar Valley-
1. It benefited the two states of Bihar and West Bengal.
2. It aimed to prevent flood, assist irrigation, production and supply of electricity.
3. It also aimed at providing jobs for the local habitants.
Indira Gandhi canal-
1. It aimed to provide irrigation to semi-arid and arid areas of Rajasthan.
2. It wanted to uplift the economy and development of the state.
Hira Kund Dam-
1. It is the first river valley project started after India's independence.
2. It was constructed with the aim of controlling floods.
3. It regulates the flow of mahanadi river and produced hydro electricity.
Bhakra Nangal Dam-
1. It was constructed with the aim of providing electricity to states of Punjab and Himachal pradesh.
2. It wanted to prevent the damage caused due to monsoon floods.
3. It aimed at irrigation and electricity generation.