Why is ?SINGH? added to everysardars name?

Why is ?SINGH? added to everysardars name?
?
?
?
Do you know?
Really u don?t know?
Bcoz of it?s hidden meaning:-
S – Sala
I – Insaan
N – Nahin
G – Gadha
H – Hay

Submitted by: syed umar hayat 03137862243 (umar_hayat_qalandar@yahoo.com)