Q. The Siachin Glacier’s melting waters are the main source of which of the following rivers?

[A] Beas

[B] Sutlej

[C] Indus

[D] Nubra

Answer: D
Notes:

The Nubra River originates from the Siachin glacier. The Nubra River is a tributary of the River Shyok that flows through the Nubra valley in the northern part of Ladakh and then joins the Indus River in Skardu, Pakistan.

Source: NCERT