Indian river (5)
I believe the answer is:
indus
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">indian river</span>' is the definition.<br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for indus that I've seen before include "South Asian river" , "Important river" , "banker" , "9 of Pakistan" , "Major river of Pakistan" .)