dash glacier is the source of river ganga 216,dash glacier is the source of river ganga in which state,what is the source of ganga river,dash glacier is the source of river ganga or not,from where to where ganga river flows,dash glacier is the source of river ganga,dash glacier is the source of river gangasagar,dash glacier is the source of river ganga river,ganga comes from which glacier,ganga originates from which glacier