(25) باب التَّحَرِّي
It was narrated 'Abdullah bin Ja'far that :
The Messenger of Allah (ﷺ) said: "Whoever has doubt during his prayer, let him prostrate twice after he said the taslim." (IT)
Reference (IT): Sunan an-Nasa'i 1249 (IT)
In-book reference (IT): Book 13, Hadith 71 (IT)
English translation (IT): Vol. 2, Book 13, Hadith 1250 (IT)