Joshan Kabir is a prayer recited by the Holy Prophet (PBUH) in 100 verses, containing 1001 names and attributes of God. In this prayer, the letters of God are mostly taken from the Qur'an and are placed next to each other in such a way that in addition to being concise and rhythmic, in most cases, the names and attributes are the same in terms of final letters. Gabriel taught the prayer of Josh Kabir to the Prophet of Islam (PBUH) in one of the battles to be safe from the wounds of war. Today, Joshan Kabir in Iran is usually one of the regular parts of Ghadr night ceremonies in Ramadan. Some people also write Jooshan Kabir on their shrouds by order of narrations. There are commentaries on the prayer of Joshan Kabir, the most famous of which is Sharh al-Asma '. The prayer of Joshan Kabir has 100 verses and each verse contains 10 names of God, except verse 55 which contains eleven names of God; So, in total, this prayer contains 1001 names of God. At the end of each verse, the phrase is recited: Balad Al-Amin at the beginning of each paragraph in the "Bismillah" and at the end of each paragraph "Sbhank or La Ilaha Annette Alghvs Alghvs Chapter Ali Muhammad and his descendants and my Khlsna or fire or paste therefore, glory and Alakram or أَرْحَمَ الرَّاحِمِينَ »to be said.

source:

http://www.erfan.ir/mafatih115