Who was the fourth Caliph?A. Hazrat Umar(R.A.)B. Hazrat Ali(R.A.)C. Hazrat Usman(R.A.)D. Hazrat Abu Bakar(R.A.) 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments