UPSC Civil Services 2019 Prelims General Studies Paper I

- Siachen Glacier, one of the world's longest mountain glaciers, lying in the Karakoram Range system of Kashmir. It is the source for Nubra River.
- River Mandakini actually originates from the springs fed by melting snow of Charabari glacier about one km above Kedarnath temple.
- Bara Shigri is the largest glacier located in Lahaul Spiti region in Chandra Valley, Himachal Pradesh. It is a 30-km long glacier, the second longest glacier in the Himalayas after Gangotri. It flows northwards and feeds the Chenab river. Thus, by elimination, answer is A.