Hazrat Abul Fazl Abbas (a.s) is the son of Imam Ali (a.s) and Fatima Kelabia, known as Bibi Ummul Baneen (s.a).Imam Ali (a.s) had prayed for a son who would help Imam Hussain (a.s) to save Islam. Allah answered his dua and Hazrat Abbas (a.s) was born on the 4th…