204. Rabbana Lakal Hamd (Dua After Ruku)
The duas of rukoo' are narrated in different sahih hadiths in four ways:
(اَللَّهُمَّ) رَبَّنَا لَكَ الْحَمْدُ
(اَللّٰهُمَّ) رَبَّنَا لَكَ الْحَمْدُ
(1) Rabbanaa lakal-hamd (2) Allaahumma Rabbanaa lakal-hamd
Translation
[1] Our Lord, to You be the praise. [2] O Allah, our Lord, to You be the praise.