Dalail ul Hayrat 2. 0. This application is based upon the Dalail el Hayrat book from Semerkand Publications. Making dua for Rasulullah (s. A. W), his family and companions is called salawat. One of the great walis of the fifteenth century, Hazrat Sulayman Jazuli of Morocco wrote Dala'il-ul-Hayrat in order to gather all salawats recited by Muslims.