Listen to Istaqamat Aur Rehmat Ki Dua online. Istaqamat Aur Rehmat Ki Dua is an Urdu language song and is sung by Alhajj Syed Fasihuddin Soharwardi and Shamshad Ali Khan. Istaqamat Aur Rehmat Ki Dua, from the album Masnoon Duaen, was released in the year 2000. The duration of the song is 1:30. Download Urdu songs online from JioSaavn.