Ganga river is fed by many perennial rivers and steams in its
higher course. Mandakini originates from a glacier near Kedarnath
in Uttarakhand (a state in India). Mandakini joins Alaknanda at
Rudraprayag which in turns proceed to meet Bhagirathi river in
Devaprayag to form river Ganga. As being one of ganga's
tributaries, Mandakini is a synonym for river Ganga.