Hazrat Ibn Abi Assim (radi Allahu anhu) narrates that Sayyiduna Rasoolullah (sallal laahu alaihi wasallam) said that if any person recites the above Durood Shareef on 7 Friday nights for 7 times, then the intercession of the Prophet (sallal laahu alaihi wasallam) is assured for the reciter on the Day of the Judgement.