Which tributary of river Indus is the site for the Kohala hydro-power project, which aims at providing low-cost electricity?

Which tributary of river Indus is the site for the Kohala hydro-power project, which aims at providing low-cost electricity? 

Question 5 of 5-Which tributary of river Indus is the site for the Kohala hydro-power project, which aims at providing low-cost electricity?
Jhelum
Sutlej
Suru
Kabul

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