Reciting the Kalima Tayyiba Aloud After Every Fard Prayer
Question
After the fard prayers many people say “la ilaha illa-llah” aloud three times. What is the status of saying it? Is it permissible or not? Many people forbid it.
Answer
Great merit has come in the noble hadith regarding the remembrance of Allah, especially the remembrance of “la ilaha illa-llah”. Dhikr, without doubt, is permissible and a cause of reward (thawab) in every manner — both quietly and aloud. However, specially binding oneself to it after the fard prayers (iltizam)
Source: Fatawa Mahmudiyya
Preview. The full text opens with JavaScript enabled.