EARLIER known as the "river of mourning".Damodar River:The river originates at the Chhota Nagpur Plateau.It is a TRIBUTARY of the river Hoogly.Hoogly is the distributary of the river Ganga.Tributaries of the Damodar are Barakar, Konar, Jamunia, Nunia and Sali.Damodar river is ALSO known as the Bengal’s SORROW or the river of mourning.Ghaghra river is also known as the Sarayu River.Mahanadi originates from the foothills of DANDAKARANAYA Hills.Kali River flows in Karnataka.