Matri Bamak on the southern side from where Matri nala emerges and it joins Bhagirathi river near Chirbas. Bhagirathi the main tributaries of the river Ganga. On the Northern side Gulli gad bamak from there emerges Gulli gad which later joins Jadh Ganga near Neylong. That further joins Bhagirathi river near Bhairion ghati. Bhagirathi later joins Alaknanda River the other main tributaries of the river Ganga at Dev Prayag and became Ganga there after. The word Bamak is used for Glacier and Gad for River.