Answer
The Nafl Salaat offered during the day should be offered softly. As for
those at night, one has a choice between reciting loudly or softly.
(Bahishti Zewar vol.2 pg.91)
and Allah Ta’ala Knows Best
Moulana Imraan Vawda
FATWA DEPT.
CHECKED AND APPROVED CORRECT: Mufti Ebrahim Desai