Benefits of Dua Ganjul Arsh. One day Muhammd was sitting in the Masjid and Hazrat Jibreel brought dua ganjul srsh to Rasulullah Sall Allahu alaihi wa Aalihi wa Sallim. Hazrat Jibreel Alaihi Salaam said that in addition to a lot of Fadhaail in dua e ganjul arsh, the reciter gets three things from Allahu ta 'ala.