Japanese uses 4 ways of addressing people
1) KUN----------------RAHUL KUN
2) CHAN--------------ISHU CHAN
3) SAN---------------YAMADA SAN
4) SAMA -------------MODI SAMA
*) KUN--------------------------------Use after boy’s name but it is informal . Don’t use professionally.
*) Chan-------------------------------Use after children name and girl’s name but it is also informal, so don’t use professionally.
*) San--------------------------------San is universal mode so it can be use professionally
*) Sama-----------------------------Sama is more respectful then san