From north towards South, which one of the following is the correct sequence of the given rivers in India?
(a) Shyok - Spiti - Zaskar - Sutlej
(b) Shyok - Zaskar - Spiti - Sutlej
(c) Zaskar - Shyok - Sutlej - Spiti
(d) Zaskar - Sutlej - Shyok – Spiti