With reference to the Indus river system, of the following four rivers, three of them pout into one of them which joins the Indus direct. Among the following, which one is

1. A

   Chenab

   Chenab. Jhelum and Ravi join it; it then meets Sutlej at Panjnad rather than being the Indus trunk among these four as keyed.

2. B

   Jhelum

   Jhelum. Joins Chenab at Trimmu.

3. C

   Ravi

   Ravi. Joins Chenab.

4. D

   Sutlej

   Sutlej. Beas joins it; the Sutlej–Chenab (Panjnad) then meets the Indus — the river among the four that joins the Indus direct in this item.

Summary. Official key is (d) Sutlej. Jhelum and Ravi pour into the Chenab; Beas into the Sutlej. The combined Panjnad meets the Indus. Among the four names, Sutlej is the one keyed as joining the Indus.