Narrated Mahmud bin Rabi` Al-Ansari: `Itban bin Malik used to lead his people (tribe) in prayer and was a blind man, he said to Allah's Apostle , O Allah's Apostle! At times it is dark and flood water is flowing (in the valley) and I am blind man, so please pray at a place in my house so that I can take it as a Musalla (praying place). So Allah's Apostle went to his house and said, Where do you like me to pray? 'Itban pointed to a place in his house and Allah's Apostle, offered the prayer there.