Question Summary:
I want to know whether this incident has any reference in sahi hadith or any other authentic islamic book!..

Question Detail:

Assalam o Alikum
I want to know whether this incident has any reference in sahi hadith or any other authentic islamic book!
once 4 angels; Jibrael, Mekael, Israfeel, Izrael came to Prophet Muhammad (PBUH) and said:
JIBRAEL said "whoever send blessings(durood) upon you, i will make him cross the Siraat bridge with the speed of light"
MEKAEL said "i will make him drink the water from Kausar"
ISRAFEEL said "i will remain bowed to Allah untill he will be forgived"
IZRAEL said "i will take his soul out of his body in the way in which i did of the prophets"
Jazakallah kher.

Answer :

In the name of Allah, Most Gracious, Most Merciful

Assalaamu `alaykum waRahmatullahi Wabarakatuh
 
We could not locate this narration in any of the books at our disposal.
And Allah knows best
Wassalaamu `alaykum
Ml. Ismail Moosa,
Student Darul Iftaa
Checked and Approved by:
Mufti Ebrahim Desai
Darul Iftaa, Madrassah In'aamiyyah