Why Harbhajan slapped Sreesanth: Joke

Harbhanjan Singh was enjoying Match.
Youvraj Singh came and asked him, " Are you relaxing??"
Harbhajan answered '" No I am Harbhajan Singh !"
VRV Singh Came and asked the same Question.
Sardar answered " No No Me Harbhajan Singh"
Third one came and asked the same question Sardar was totally annoyed and decided to shift his place.
While walking Harbhajan saw Sreesanth enjoying the Match.
He went and asked him " Are you Relaxing?"
Sreesanth was much educated and answered "Yes I am relaxing."
Harbhajan slapped him on his face and said "Idiot, Sab tere Ko wahahn dhoond rahe hai aur tu Yahaan Aaram Kar raha hai."