As for Basmalah aloud during the prayer, those who did not agree that it is a part of Al-Fatihah, state that the Basmalah should not be aloud. The scholars who stated that Bismillah is a part of every Surah (except chapter 9) had different opinions; some of them, such as Ash-Shafi`i, said that one should recite Bismillah with Al-Fatihah aloud. This is also the opinion of many among the Companions, the Tabi`in and the Imams of Muslims from the Salaf and the later generations. For instance, this is the opinion of Abu Hurayrah, Ibn `Umar, Ibn `Abbas, Mu`awiyah, `Umar and `Ali - according to Ibn `Abdul-Barr and Al-Bayhaqi. Also, the Four Khalifahs - as Al-Khatib reported - were said to have held this view although the report from them is contradicted. The Tabi`in scholars who gave this Tafsir include Sa`id bin Jubayr, `Ikrimah, Abu Qilabah, Az-Zuhri, `Ali bin Al-Hasan, his son Muhammad, Sa`id bin Al-Musayyib, `Ata', Tawus, Mujahid, Salim, Muhammad bin Ka`b Al-Qurazi, Abu Bakr bin Muhammad bin `Amr bin Hazm, Abu Wa'il, Ibn Sirin, Muhammad bin Al-Munkadir, `Ali bin `Abdullah bin `Abbas, his son Muhammad, Nafi` the freed slave of Ibn `Umar, Zayd bin Aslam, `Umar bin `Abdul-Aziz, Al-Azraq bin Qays, Habib bin Abi Thabit, Abu Ash-Sha`tha', Makhul and `Abdullah bin Ma`qil bin Muqarrin. Also, Al-Bayhaqi added `Abdullah bin Safwan, and Muhammad bin Al-Hanafiyyah to this list. In addition, Ibn `Abdul-Barr added `Amr bin Dinar.
The proof that these scholars relied on is that, since Bismillah is a part of Al-Fatihah, it should be recited aloud like the rest of Al-Fatihah. Also, An-Nasa'i recorded in his Sunan, Ibn Hibban and Ibn Khuzaymah in their Sahihs and Al-Hakim in the Mustadrak, that Abu Hurayrah once performed the prayer and recited Bismillah aloud. After he finished the prayer, he said, "Among you, I perform the prayer that is the closest to the prayer of the Messenger of Allah .'' Ad-Daraqutni, Al-Khatib and Al-Bayhaqi graded this Hadith Sahih Furthermore, in Sahih Al-Bukhari it is recorded that Anas bin Malik was asked about the recitation of the Prophet . He said, "His recitation was unhurried.'' He then demonstrated that and recited, while lengthening the recitation of Bismillah Ar-Rahman Ar-Rahim, Also, in the Musnad of Imam Ahmad, the Sunan of Abu Dawud, the Sahih of Ibn Hibban and the Mustadrak of Al-Hakim - it is recorded that Umm Salamah said, "The Messenger of Allah used to distinguish each Ayah during his recitation,
[بِسْمِ اللَّهِ الرَّحْمَـنِ الرَّحِيمِ - الْحَمْدُ للَّهِ رَبِّ الْعَـلَمِينَ - الرَّحْمَـنِ الرَّحِيمِ - مَـلِكِ يَوْمِ الدِّينِ ](In the Name of Allah, the Most Gracious, the Most Merciful. All praise and thanks be to Allah, the Lord of all that exists, the Most Gracious, the Most Merciful. The Owner of the Day of Recompense.)''
Ad-Daraqutni graded the chain of narration for this Hadith Sahih Furthermore, Imam Abu `Abdullah Ash-Shafi`i and Al-Hakim in his Mustadrak, recorded that Mu`awiyah led the prayer in Al-Madinah and did not recite the Bismillah. The Muhajirin who were present at that prayer criticized that. When Mu`awiyah led the following prayer, he recited the Bismillah aloud.
The Hadiths mentioned above provide sufficient proof for the opinion that the Bismillah is recited aloud. As for the opposing evidences and the scientific analysis of the narrations mentioned their weaknesses or otherwise it is not our desire to discuss this subject at this time.
Other scholars stated that the Bismillah should not be recited aloud in the prayer, and this is the established practice of the Four Khalifahs, as well as `Abdullah bin Mughaffal and several scholars among the Tabi`in and later generations. It is also the Madhhab (view) of Abu Hanifah, Ath-Thawri and Ahmad bin Hanbal.
Imam Malik stated that the Bismillah is not recited aloud or silently. This group based their view upon what Imam Muslim recorded that `A'ishah said that the Messenger of Allah used to start the prayer by reciting the Takbir (Allahu Akbar; Allah is Greater) and then recite,
[الْحَمْدُ للَّهِ رَبِّ الْعَـلَمِينَ ](All praise and thanks be to Allah, the Lord of all that exists.) (Ibn Abi Hatim 1:12).
Also, the Two Sahihs recorded that Anas bin Malik said, "I prayed behind the Prophet , Abu Bakr, `Umar and `Uthman and they used to start their prayer with,
[الْحَمْدُ للَّهِ رَبِّ الْعَـلَمِينَ ](All praise and thanks be to Allah, the Lord of all that exists.)
Muslim added, "And they did not mention,
[بِسْمِ اللَّهِ الرَّحْمَـنِ الرَّحِيمِ ](In the Name of Allah, the Most Gracious, the Most Merciful) whether in the beginning or the end of the recitation.'' Similar is recorded in the Sunan books from `Abdullah bin Mughaffal, may Allah be pleased with him.
These are the opinions held by the respected Imams, and their statements are similar in that they agree that the prayer of those who recite Al-Fatihah aloud or in secret is correct. All the favor is from Allah.