What does the cryptic crossword clue "River in which to find religious types (hard to miss) (5)" mean?

The definition is "River". The wordplay uses a deletion. INDUS (deletion) = INDUS; definition: "River" The answer is INDUS.

River in which to find religious types (hard to miss) (5)

Times Cryptic #29071 | 4 Down | 2024-11-11 flower