Explanation
Hazrat Usman colleted the verses of Quran. Hazrat Usman (R.A), the t hird caliph of Islam was martyred at the age of 8 2 Hazrat Usman was the first Hafiz of the Holy Qura n. people who have completely memorized the Quran is called Hafiz Quran. ............... Hazrat Ali (R.A), the fourth caliph of Islam was martyred at the age of 60.
