Literally Dua means 'calling'. Therefore remembering Allah(SWT) and asking support from Him is dua.
Rasulullah says "Dua is Ibadah". So we need to dua to Allah to accept our prayers and to demand Jannah in the Akhirah.
Rabbana means 'Allah Lord Rob'. Duas those are started with Rabbana are called Rabbana Dua.
This application contains 40 Rabbana dua with Arabic version of it transliteration translation and Importance in Bengali.
Audio recitation is also available. This is the first Rabbana dua app in Bengali language having so many features in a single application.