You are the father of one of my kid

A Lady on telephone:
Hello Sir, I want to meet & talk to you..
Man: Do u know me..
Lady : Yes, You are the father of one of my kid.

Man stunned, Oh my God!
Are You Sangeeta????
No
Are You Preeti???
No
Are You Nisha?
No
Minal?
No
Maitri?
No
Anushka?
No
Mitali?
No
Vaishali?
No
Lady in confusion…
No sir…. I’m the class teacher of your son.. .
Rocking question shocking answer….