If you tell them via mail that you will not be able to turn up for the interview as the profile does not match to your KRA and that too you inform them prior to 24 hours of your interview, they start yelling on you by using inappropriate words.
Interview questions [1]
Question 1
I was just at the briefing call with a recruiter wherein the ither one barged in and started talking. Apparently, an unprofessional behaviour.