Alhamdulillahil-ladhi bi ni'matihi tatimmus-salihat.

Dua for Gratitude
Transliteration:-Alhamdulillahil-ladhi bi ni’matihi tatimmus-salihat.
Dua in Arabic:- الْحَمْدُ لِلَّهِ الَّذِي بِنِعْمَتِهِ تَتِمُّ الصَّالِحَاتُ
Translation:- All praise is for Allah, by whose favor good deeds are completed.