Dhikr of Allah
Issue No.1016-Dhikr of Allah, reciting Qur’an and supplication anywhere in prayer is permissible, and if one utters a sentence like ‘Allahu Akbar' with the intention of dhikr, but raises his voice to indicate something to someone, there is no problem in it. However, reciting the supplication or dhikr is in any language other than Arabic will invalidate prayer as an obligatory precaution.
