River Valley Projects related to the Ganga River System :
Tehri Project : at the concluence of Bhilanganga and Bhagirathi.
Gandak Project : joint project of Bihar,UP,& Nepal.
Kosi Project : Joint project of Biahr and Nepal.
Rihand Project : on Rihand a tributary of Son near a Place called Pimpri.
Resorvoir Govind Vallabh path Sagar is the largest man made lake in India.
Chambal Project :
3 dams.
Gandhi Sagar,Rana Pratap Sagar, Jawahar Sagar.