ANSWER:

You should say it while moving your tongue and lips without disturbing others. 

In prayer in the congregation should we say rabbana lakal hamd loudly? If it is the case should I do it even if no one in the masjid recites it loudly?

Prayer | February 26, 2022 12:09 am
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Sometimes while I’m praying my mom or someone from home calls for me, so is it permissible to respond by saying a word from my praying louder for example Allahu akbar or a word from surah I’m reading in order the caller knows that I’m praying?